| Description | Date | Identifier | |
| Query regarding the cost and implications of fitting a higher ratio gear set for Mr. Harris. | 22th Dec 1937 | Box 96 \ 1 scan0236 | |
| The approximate labour cost for changing Phantom III axle gears. | 23th Dec 1937 | Box 96 \ 1 scan0237 | |
| Letter to The Light Production Co. Ltd. arranging the receipt of a Phantom III car for testing. | 22th Dec 1937 | Box 96 \ 1 scan0238 | |
| Second complaint about a fierce clutch with thermoid linings on a Phantom III, chassis 3-CP-16. | 23th Dec 1937 | Box 96 \ 1 scan0239 | |
| Phantom III long clutch plate issue on chassis 3.CP.16 belonging to Gen. Critchley. | 29th Dec 1937 | Box 96 \ 1 scan0240 | |
| The investigation of a noisy high-pressure petrol pump from Chassis 3.CP.10, identifying an air leak as the cause. | 30th Dec 1937 | Box 96 \ 1 scan0241 | |
| Broken and brittle tappet springs from a Phantom III chassis. | 30th Dec 1937 | Box 96 \ 1 scan0242 | |
| Phantom III (3-AZ-98) with tappet noise, detailing scored tappets, broken springs, and worn cams. | 30th Dec 1937 | Box 96 \ 1 scan0243 | |
| Customer complaint of steering wobble and an investigation into its cause. | 3rd Jan 1938 | Box 96 \ 1 scan0244 | |
| The changing of rear axle gears for a customer's car, including cost and logistics. | 4th Jan 1938 | Box 96 \ 1 scan0245 | |
| Handing over a pair of 9/35 Phantom III axle gears to the Repair Department for use on Mr. Harris's car. | 4th Jan 1938 | Box 96 \ 1 scan0246 | |
| Steering wobble on Phantom III Chassis 3.AX.121 and arrangements for inspection. | 5th Jan 1938 | Box 96 \ 1 scan0247 | |
| Customer complaint about tyre performance, comparing Dunlop and Englebert tyres on a Phantom III. | 7th Jan 1938 | Box 96 \ 1 scan0248 | |
| Road test report on steering vibration issues and subsequent investigations. | 7th Jan 1938 | Box 96 \ 1 scan0249 | |
| The resolution of a steering issue after trials and a discussion with the chauffeur. | 8th Jan 1938 | Box 96 \ 1 scan0250 | |
| Clutch, flywheel, and starter ring issues on a Phantom III, Chassis 3.BU.98. | 8th Jan 1938 | Box 96 \ 1 scan0251 | |
| Letter to C.H. Brooks of Light Production Co. regarding the performance of a Phantom III car. | 11th Jan 1938 | Box 96 \ 1 scan0252 | |
| Investigation into a spring failure on a Phantom III chassis, attributing the cause to over-stressing. | 11th Jan 1938 | Box 96 \ 1 scan0253 | |
| Shorting distributor cover on chassis 3-AX-109 belonging to Lord Queensbury. | 12th Jan 1938 | Box 96 \ 1 scan0254 | |
| Dynamo repair for chassis 3.BU-32 due to a blown commutator, referencing previous similar issues. | 13th Jan 1938 | Box 96 \ 1 scan0255 | |
| Complaints report regarding noise from rough wheel bearings in Phantom III rear hubs. | 13th Jan 1938 | Box 96 \ 1 scan0256 | |
| Issues with front suspension needle and lower yoke bearings. | 15th Jan 1938 | Box 96 \ 1 scan0257 | |
| List of work required on Comdr. Holbrook's car and post-repair instructions. | 17th Jan 1938 | Box 96 \ 1 scan0258 | |
| List of required work for a Phantom II Chassis belonging to Commander Holbrook. | 5th Jan 1938 | Box 96 \ 1 scan0259 | |
| High-pressure petrol pump issue on chassis 3.CM.79, concluding the fault was dirt, not the pump. | 18th Jan 1938 | Box 96 \ 1 scan0260 | |
| Despatching and re-directing a starter motor for chassis 3-BU-84. | 21th Jan 1938 | Box 96 \ 1 scan0261 | |
| Complaint of stiff gear change operation from Lord Doverdale and potential solutions. | 25th Jan 1938 | Box 96 \ 1 scan0262 | |
| The examination of connecting rod bearings from a Phantom III chassis after a high-mileage trip to America. | 28th Jan 1938 | Box 96 \ 1 scan0263 | |
| Replacement of PH.III big end bearings, detailing the supply of parts and fitting instructions. | 29th Jan 1938 | Box 96 \ 1 scan0264 | |
| List of instructions for modifications and maintenance on Commander Holbrook's car. | 29th Jan 1938 | Box 96 \ 1 scan0265 | |
| From the Repair Department concerning the final work and dispatch of Commander Holbrook's Phantom II car. | 1st Feb 1938 | Box 96 \ 1 scan0266 | |
| List of work required on Commander Holbrook's car, specifically starvation and suspension issues. | 17th Jan 1938 | Box 96 \ 1 scan0267 | |
| List of required repairs and adjustments for a Phantom II chassis owned by Commander Holbrook. | 5th Jan 1938 | Box 96 \ 1 scan0268 | |
| The testing and examination of a hydraulic shock damper for a Phantom III chassis. | 1st Feb 1938 | Box 96 \ 1 scan0269 | |
| Damper unit, addressing its production, a reported knock, and its subsequent examination. | 1st Feb 1938 | Box 96 \ 1 scan0270 | |
| Investigation into a Phantom II petrol starvation issue and subsequent steering and suspension adjustments for Commander Holbrook. | 1st Feb 1938 | Box 96 \ 1 scan0271 | |
| Adjustments made to a vehicle's brakes and engine, with a list of noted issues requiring attention. | 1st Feb 1938 | Box 96 \ 1 scan0272 | |
| Brief note suggesting a regulator was wrongly blamed for dynamo fuses blowing. | 3rd Feb 1938 | Box 96 \ 1 scan0273 | |
| Examination report on a faulty regulator removed from chassis 3.BU.138. | 3rd Feb 1938 | Box 96 \ 1 scan0274 | |
| Note clarifying that supplied fuses were probably blown armature fuses. | 10th Feb 1938 | Box 96 \ 1 scan0275 | |
| Arranging a car trial run and subsequent examination for a prospective customer. | 10th Feb 1938 | Box 96 \ 1 scan0276 | |
| The arrival of car 3.CP.10 for a 24-hour service. | 11th Feb 1938 | Box 96 \ 1 scan0277 | |
| Complaint Report N.398 concerning noise in the P-III rear hubs for chassis 3-AZ-114. | 11th Feb 1938 | Box 96 \ 1 scan0278 | |
| The investigation of multiple faults on chassis 3-AZ-186 for F.W. Wilcock, Esq. | 15th Feb 1938 | Box 96 \ 1 scan0279 | |
| Upper piston ring breaking, attributing the cause to flutter and suggesting experiments with Bentley piston rings. | 15th Feb 1938 | Box 96 \ 1 scan0280 | |
| Response to complaint report N.398 about a noisy rear hub bearing on chassis 3-AZ-114. | 16th Feb 1938 | Box 96 \ 1 scan0281 | |
| Inspection report on a faulty G.S.SC. petrol pump detailing the cause of failure, repairs undertaken, and further testing. | 18th Feb 1938 | Box 96 \ 1 scan0282 | |
| Identifying the chassis from which two specific petrol pumps were sourced. | 1st Mar 1938 | Box 96 \ 1 scan0283 | |
| Investigation report on a noisy high-pressure petrol pump from chassis 3.CM.73. | 1st Mar 1938 | Box 96 \ 1 scan0284 | |
| Customer complaint about a leaking water-pump from Chassis No. 3-BU-48, which was found to have a badly worn spindle. | 8th Mar 1938 | Box 96 \ 1 scan0285 | |
| Return of a steering column for chassis 3-BU-48, in relation to complaint report N.671. | 9th Mar 1938 | Box 96 \ 1 scan0286 | |
| Clarifying the source of a vehicle rattle complaint, distinguishing between transmission and wheel issues. | 9th Mar 1938 | Box 96 \ 1 scan0287 | |
| Failure of steering roller followers and requesting complete failed units for analysis. | 10th Mar 1938 | Box 96 \ 1 scan0288 | |
| The despatch of an Inner Cone for a Phantom III steering system, chassis 3-BU-168. | 15th Mar 1938 | Box 96 \ 1 scan0289 | |
| Return of a leaking water pump for Chassis No. 3-AZ-180. | 16th Mar 1938 | Box 96 \ 1 scan0290 | |
| The return of a water-pump from Chassis No. 3-AZ-68 for attention. | 16th Mar 1938 | Box 96 \ 1 scan0291 | |
| Worn water pumps on two Phantom III chassis, noting the material is bronze, not Lignum Vitae. | 17th Mar 1938 | Box 96 \ 1 scan0292 | |
| Worn water pumps with incorrect thrust block material for Phantom III chassis 3.AZ.68 and 3.AZ.180. | 17th Mar 1938 | Box 96 \ 1 scan0293 | |
| Excessive cylinder wear on a low mileage vehicle and the company policy regarding the cost of rebores. | 17th Mar 1938 | Box 96 \ 1 scan0294 | |
| Letter from a US retailer regarding steering issues on a demonstrator vehicle. | 21th Mar 1938 | Box 96 \ 1 scan0295 | |
| Cause of a burnt-out rear axle oil seal on Chassis No. 3.AZ-66 and potential solutions. | 21th Mar 1938 | Box 96 \ 1 scan0296 | |
| Customer complaint of petrol starvation on chassis 3.AZ.68. | 21th Mar 1938 | Box 96 \ 1 scan0297 | |
| Responding to a query about chassis no. 3.AZ-66, detailing its usage and potential for high oil temperatures. | 23th Mar 1938 | Box 96 \ 1 scan0298 | |
| The performance and potential modifications of Phantom III clutches fitted with Thermoid facing. | 23th Mar 1938 | Box 96 \ 1 scan0299 | |
| Investigation into intermittent clutch grab and judder issues with a Phantom III clutch using Thermoid facing. | 23th Mar 1938 | Box 96 \ 1 scan0300 | |
| Clutch spring testing to resolve issues of judder and slipping, and recommendations for future complaints. | 23th Mar 1938 | Box 96 \ 1 scan0301 | |
| Four main variable factors that cause clutch judder and the results of a new clutch plate test. | 23th Mar 1938 | Box 96 \ 1 scan0302 | |
| Response to an owner's complaint about engine overheating, discussing potential causes related to the radiator matrix and water pump. | 24th Mar 1938 | Box 96 \ 1 scan0303 | |
| Requesting an analysis of petrol from a carburetter that is causing flooding issues. | 25th Mar 1938 | Box 96 \ 1 scan0304 | |
| Investigation into a fierce clutch engagement issue on a Phantom III, chassis 3-BT-59. | 3rd Mar 1938 | Box 96 \ 1 scan0305 | |
| To Mr. Steadman requesting remarks on an attached report concerning Sir Francis Peek, Bt. | 27th Apr 1938 | Box 96 \ 1 scan0306 | |
| Complaint case regarding a burst oil cooler and boiling engine on a Phantom III chassis belonging to Sir Francis Peek. | 27th Apr 1938 | Box 96 \ 1 scan0307 | |
| Depot instruction for the BT series and the replacement of 'E' type coolers. | 6th Jan 1938 | Box 96 \ 1 scan0308 | |
| Complaint report requesting clarification on the cause of wear on an excessively slack 2nd speed cone. | 29th Apr 1938 | Box 96 \ 1 scan0309 | |
| Correspondence regarding an undersized inner cone for Chassis No. 3-BU-80, related to Complaint Report N.884. | 30th Apr 1938 | Box 96 \ 1 scan0310 | |
| Complaint report N.884 regarding a cone being too small in diameter. | 3rd May 1938 | Box 96 \ 1 scan0311 | |
| Burst oil cooler for chassis 3-BU-26, being dispatched for examination following a complaint report. | 11th May 1938 | Box 96 \ 1 scan0312 | |
| Water pump failure on a Phantom III car, requesting an alignment check on it and other similar vehicles. | 13th May 1938 | Box 96 \ 1 scan0313 | |
| Enquiry on engine oil change intervals for a Phantom III chassis. | 26th May 1938 | Box 96 \ 1 scan0314 | |
| Recommended reduction in engine oil change interval for a customer's car, chassis 3.BU.16. | 27th May 1938 | Box 96 \ 1 scan0315 | |
| The potential reclamation or scrapping of standard P-III clutch springs. | 3rd Jun 1938 | Box 96 \ 1 scan0316 | |
| Requesting the return of stronger springs removed from clutches to the Derby factory. | 9th Jun 1938 | Box 96 \ 1 scan0317 | |
| Investigation into a high-pressure petrol pump failure from chassis 3.CM.107 due to gummed valves. | 14th Jun 1938 | Box 96 \ 1 scan0318 | |
| Note instructing Hancock to test recommendations and advising that the clutch brake should be a last resort. | 14th Jun 1938 | Box 96 \ 1 scan0319 | |
| 'brake shoe' scheme for a PIII model and a suggested alternative fix. | 22th Jun 1938 | Box 96 \ 1 scan0320 | |
| Customer complaint about a Phantom III clutch not stopping and the proposed experimental clutch brake solution. | 22th Jun 1938 | Box 96 \ 1 scan0321 | |
| Complaint sheet requesting clarification on a report about slack in the pivot wish-bone joints. | 27th Jun 1938 | Box 96 \ 1 scan0322 | |
| Customer complaint about a 'wobble' or 'shimmy' on a Phantom III chassis. | 28th Jun 1938 | Box 96 \ 1 scan0323 | |
| List of tests and observations regarding engine pinking as affected by fuel distribution. | 29th Jun 1938 | Box 96 \ 1 scan0324 | |
| Arrangement to check a Phantom III chassis belonging to Herr T. Von Biedemann. | 29th Jun 1938 | Box 96 \ 1 scan0325 | |
| Complaint sheet for chassis 3-AZ-154 regarding slack, broken rollers and a choked oil supply in the wishbone. | 29th Jun 1938 | Box 96 \ 1 scan0326 | |
| Customer complaint about the Phantom III clutch not stopping and potential causes. | 30th Jun 1938 | Box 96 \ 1 scan0327 | |
| Investigation into a pump failure on Chassis 3.CM.107, identifying paraffin and rubber components as the cause. | 2nd Jul 1938 | Box 96 \ 1 scan0328 | |
| The return of an oil cooler housing from Chassis No. 3-BT-193 to Derby. | 5th Jul 1938 | Box 96 \ 1 scan0329 | |
| Overheating issue with Chassis No. 3-AX-175, detailing the return of a radiator matrix after failed repairs. | 6th Jul 1938 | Box 96 \ 1 scan0330 | |
| Works Order for the repair of a Radiator Matrix to be held in stock. | 12th Jul 1938 | Box 96 \ 1 scan0331 | |
| Cause of a pump failure on chassis 3.CM.107, attributing it to rubber caps used with paraffin. | 7th Jul 1938 | Box 96 \ 1 scan0332 | |
| Brake failure on chassis 3-AX-121 due to faulty adjustment. | 8th Jul 1938 | Box 96 \ 1 scan0333 | |
| Phantom III, chassis 3-CM-161, regarding an issue with the top gear coming out of mesh. | 12th Jul 1938 | Box 96 \ 1 scan0334 | |
| Communication regarding the failure of a latest 'F' type oil cooler on chassis 3.AX.95. | 14th Jul 1938 | Box 96 \ 1 scan0335 | |
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