# Service difficulty reports: N742MA, cancelled Aug 6, 2012 A list on [N742MA, cancelled Aug 6, 2012](https://openairdocs.org/deregistered/N742MA-2012-08-06.md). Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first. - [SDR MYWA07112012742](https://openairdocs.org/sdr/MYWA07112012742.md): Skin · dented · Jul 11, 2012 · N742MA · Boeing 7378Q8 · Cargo/Baggage Doors > DURING PHASE INSPECTION, FOUND SEVERAL DENTS IN AFT CARGO DOOR SKIN. REPLACED AFT CARGO DOOR SKIN IAW DRAWING 146A6110 AND SRM 51-40-02. - [SDR MYWA120054](https://openairdocs.org/sdr/MYWA120054.md): Warning System · false activation · May 1, 2012 · N742MA · Boeing 7378Q8 · Cabin Temperature Indicator > ETOPS SIGNIFICANT SYSTEM: FLT DECK ZONE TEMP LIGHT COMES ON ON RECALL. RESETS WITH MASTER CAUTION. - [SDR MYWA120053](https://openairdocs.org/sdr/MYWA120053.md): Warning System · activated · Apr 29, 2012 · N742MA · Boeing 7378Q8 · Cabin Temperature Indicator > ETOPS SIGNIFICANT SYSTEM: CONTROL CAB ZONE TEMP LIGHT ILLUMINATED ON RECALL DURING DESCENT. PERFORMED ZONE TEMP CONTROL BITE TEST, FOUND FLT DECK LIGHT ILLUMINATED, CLEARS THE FAULT AND OPS CHECK OK IAW AMM 21-61-00. - [SDR MYWA120052](https://openairdocs.org/sdr/MYWA120052.md): Warning System · false activation · Apr 25, 2012 · N742MA · Boeing 7378Q8 · Cabin Temperature Indicator > ETOPS SIGNIFICANT SYSTEM: CONT CAB ZONE TEMP LIGHT ILLUMINATED DURING RECALL ON DESCENT. ACCOMPLISHED BITE TEST ON BOTH ZONE TEMP CONTROLLERS IAW FIM TASK 21-62 TASK 801 NO FAULTS NOTED. OPS CHECK NORMAL. ZONE TEMP LIGHTS ARE EXTINGUISHED DURING RECALL. - [SDR MYWA120019](https://openairdocs.org/sdr/MYWA120019.md): Tube · damaged · Feb 9, 2012 · N742MA · Boeing 7378Q8 · Fuel Controlling System > ETOPS SIGNIFICANT SYSTEM: DURING HMU OPS CHECK FOUND TUBE ON OIL FUEL SERVO TO FUEL PUMP LEAKING. ON T/S FOUND TUBE AND FITTING NICKED. REMOVED AND REPLACED TUBE & FITTING BETWEEN OIL FUEL SERVO & FUEL PUMP IAW AMM 73-11-01 AND LEAK CHECK GOOD IAW AMM 71-00 - [SDR MYWA120018](https://openairdocs.org/sdr/MYWA120018.md): Hmu · leaking · Feb 7, 2012 · N742MA · Boeing 7378Q8 · Fuel Controlling System > ETOPS SIGNIFICANT SYSTEM: FOUND NR 2 ENGINE LEAKING FUEL FROM HMU LOWER PLATE. REMOVED AND REPLACED NR 2 ENGINE HMU PER B737-800 AMM 73-21-10 PENDING OPS/LEAK CHECK SEE ITEM 12 LOG PAGE 237890, OPS CHECK GOOD IAW AMM 71-00-00, TEST 3A - IDLE POWER. - [SDR MYWA120017](https://openairdocs.org/sdr/MYWA120017.md): Valve · stuck · Feb 4, 2012 · N742MA · Boeing 7378Q8 · Pneumatic Distribution System > ETOPS SIGNIFICANT SYSTEM: ON WALKAROUND, WITH APU BLEED ON, LOUD AIR NOISE COMING FROM NR 2 ENGINE INTERNAL. T/S AND FOUND HIGH STAGE VALVE STUCK OPEN, REMOVED HSV AS PER AMM 36-11-03. INSTALLED HIGH STAGE VALVE ON NR 2 ENGINE IAW B737-800 M/M 36-11-06, OPS - [SDR MYWA120016001](https://openairdocs.org/sdr/MYWA120016001.md): Shutoff Valve · faulty · Feb 1, 2012 · N742MA · Boeing 7378Q8 · Pneumatic Distribution System > ETOPS SIGNIFICANT SYSTEM: ON TS NR 2 ENGINE COWL ANTI-ICE VALVE, FOUND PRSOV "NOT" MOVING SMOOTHLY TO THE OPEN AND CLOSED POSITION. REMOVED AND REPLACED PRSOV VALVE ON NR 2 ENGINE AND OPS LEAK CHECK OK IAW AMM 36-11-04. - [SDR MYWA120015](https://openairdocs.org/sdr/MYWA120015.md): Anti-Ice Valve · malfunctioned · Feb 1, 2012 · N742MA · Boeing 7378Q8 · Air Intake Anti/De-Ice System > ETOPS SIGNIFICANT SYSTEM: ON WALKAROUND NOTICED SOUND OF AIR LEAK NR 2 INLET, FOUND OUTBOARD COWL A/I VALVE PARTIALY OPEN. SECURED VALVE CLOSED. REMOVED AND REPLACED ENG COWL TAI VALVE. OPS CHECK OK AND LEAK CHECK OK IAW AMM 30-21-11. - [SDR MYWA110143](https://openairdocs.org/sdr/MYWA110143.md): Start Valve · malfunctioned · Dec 28, 2011 · N742MA · Boeing 7378Q8 · Engine Start Valves/Controls > ETOPS SIGNIFICANT SYSTEM: NR 2 ENG START VALVE FAILED WHILE TESTING THE STARTER. REMOVED AND REPLACED NR 2 ENG START VALVE IAW B737-800 AMM 80-11-03, OPS CHECK AND LEAK CHECKS GOOD. - [SDR MYWA110142](https://openairdocs.org/sdr/MYWA110142.md): Starter · faulty · Dec 28, 2011 · N742MA · Boeing 7378Q8 · Engine Starter > ETOPS SIGNIFICANT SYSTEM: ENG NR 2 WON`T START N2 10 PERCENT. REMOVED AND REPLACED NR 2 ENG STARTER IAW B737-800 AMM 80-11-01 OPS CHECKS GOOD WHILE TESTING THE NR 2 STARTER THE START VALVE FAILED HAD TO MANUALLY OPEN VALVE TO TEST STARTER. - [SDR MYWA110135](https://openairdocs.org/sdr/MYWA110135.md): Warning System · activated · Dec 21, 2011 · N742MA · Boeing 7378Q8 · Compressor Bleed Control > ETOPS SIGNIFICANT SYSTEM: WHILE PERFORMING PT ITEM 14 FMC FAULT CHECK FOUND LEFT ENGINE LONG TIME MESSAGE 75-10391 "VSV POSITION SIGNAL OUT OF RANGE". - [SDR MYWA110134](https://openairdocs.org/sdr/MYWA110134.md): Engine · vibration · Dec 17, 2011 · N742MA · Boeing 73783N · Engine (Turbine/Turboprop) > ETOPS SIGNIFICANT SYSTEM: NR 1 ENG VIBRATION ERRATIC FROM OFF BACK LOW TO OFF SCALE HIGH. NO VIBRATION NOTED BY CREW. - [SDR MYWA110132](https://openairdocs.org/sdr/MYWA110132.md): Valve · faulty · Dec 17, 2011 · N742MA · Boeing 7378Q8 · Pneumatic Distribution System > ETOPS SIGNIFICANT SYSTEM: LEFT ENG BLEED TRIPPED JUST BEFORE TOP OF CRUISE. ACCOMPLISHED HEALTH CHECK ON NR 1 ENGINE IAW B737-800 M/M 36-11-00 FOUND PRECOOLER VALVE AT FAULT REMOVED AND REPLACED NR 1 ENGINE PRECOOLER VALVE IAW B737-800 M/M 36-12-02, OPS CHEC - [SDR MYWA110131](https://openairdocs.org/sdr/MYWA110131.md): Precooler · defective · Dec 17, 2011 · N742MA · Boeing 7378Q8 · Pneumatic Distribution System > ETOPS SIGNIFICANT SYSTEM: LEFT ENG BLEED TRIPPED JUST BEFORE TOP OF CRUISE. ACCOMPLISHED HEALTH CHECK ON NR 1 ENGINE IAW B737-800 M/M 36-11-00 FOUND PRECOOLER VALVE AT FAULT REMOVED AND REPLACED NR 1 ENGINE PRECOOLER VALVE IAW B737-800 M/M 36-12-02, OPS CHEC - [SDR MYWA110027](https://openairdocs.org/sdr/MYWA110027.md): Wire Harness · damaged · Feb 28, 2011 · N742MA · Boeing 7378Q8 · Ice/Rain Protection System Wiring > ETOPS SIGNIFICANT SYSTEM: RIGHT SIDE WINDOW HEAT OVERHEAT LIGHT ILLUMINATED ON CLIMBOUT. FOLLOWED ABNORMAL PROCEDURES. LIGHT RE-ILLUMINATED. TURNED OFF. REMOVED AND REPLACED WIRE HARNESS MW0326 ON NR 2 ENG IAW AMM 26-11-02. OPS CHECKED GOOD. - [SDR MYWA100105](https://openairdocs.org/sdr/MYWA100105.md): Apu · shutdown · Sep 3, 2010 · N742MA · Boeing 7378Q8 · APU Core Engine > ETOPS SIGNIFICANT SYSTEM: MULTIPLE OCCURRENCES OF APU SHUTDOWN. - [SDR MYWA100094R](https://openairdocs.org/sdr/MYWA100094R.md): Warning Light · illuminated · Aug 26, 2010 · N742MA · Boeing 7378Q8 · Airborne Auxiliary Power Unit (APU) System > ETOPS SIGNIFICANT SYS: INFLIGHT APU FAULT LIGHT ON WITH APU AUTO SHUTDOWN. - [SDR MYWA100094](https://openairdocs.org/sdr/MYWA100094.md): Apu · shutdown · Aug 17, 2010 · N742MA · Boeing 7378Q8 · APU Core Engine > ETOPS SIGNIFICANT SYS: IN FLIGHT, APU FAULT LIGHT AND AUTO SHUTDOWN. - [SDR MYWA100075](https://openairdocs.org/sdr/MYWA100075.md): Actuator · leaking · May 10, 2010 · N742MA · Boeing 7378Q8 · Leading Edge Slat Actuator > ETOPS SIGNIFICANT SYSTEM - ON WALK AROUND, FOUND NR 4 KRUEGER FLAP ACTUATOR LEAKING. - [SDR MYWA100033](https://openairdocs.org/sdr/MYWA100033.md): Door · leaking · Feb 10, 2010 · N742MA · Boeing 7378Q8 · Passenger/Crew Doors > ETOPS SIGNIFICANT SYSTEM - L1 DOOR PRESSURE LEAK ON CLIMBOUT. - [SDR MYWA100002](https://openairdocs.org/sdr/MYWA100002.md): Seal · not seated · Feb 2, 2010 · N742MA · Boeing 7378Q8 · Passenger/Crew Doors > L1 DOOR PRESSURE AIR LEAK ON CLIMBOUT. OPENED & CLOSED L1 DOOR SEVERAL TIMES. OPS CHECK GOOD IAW AMM 52-10-00. GRD PRESSURE CHECKS GOOD IAW AMM 21-31-00 - [SDR MYWA100006](https://openairdocs.org/sdr/MYWA100006.md): Pump · faulted · Jan 5, 2010 · N742MA · Boeing 7378Q8 · Fuel Boost Pump > ETOPS SIGNIFICANT SYSTEM - TRANSFERRED FROM DMI CONTROL 7018, "LT CENTER FUEL TANK PUMP INOP". - [SDR MYWA09069](https://openairdocs.org/sdr/MYWA09069.md): Connector · dirty · Dec 11, 2009 · N742MA · Boeing 7378Q8 · Engine Fuel System Wiring > ETOPS SIGNIFICANT SYSTEM - NR 1 ENGINE EEC FAULT CODE DISPLAYED DURING BITE TEST. - [SDR MYWA09067](https://openairdocs.org/sdr/MYWA09067.md): Warning System · activated · Dec 10, 2009 · N742MA · Boeing 7378Q8 · Central Warning > ETOPS SIGNIFICANT SYSTEM - ON DESCENT INTO MIA PRESSED RE-CALL AND THE "MACH TRIM" LIGHT ILLUMINATED. - [SDR MYWA09066](https://openairdocs.org/sdr/MYWA09066.md): Bleed Valve · defective · Dec 5, 2009 · N742MA · Boeing 7378Q8 · APU Bleed Air System > ETOPS SIGNIFICANT SYSTEM - APU DUCT PRESSURE INSUFFICIENT TO START ENGINE. - [SDR MYWA09065](https://openairdocs.org/sdr/MYWA09065.md): Radio · inoperative · Dec 2, 2009 · N742MA · Boeing 7378Q8 · VHF Communications System > ETOPS SIGNIFICANT SYSTEM - NR 2 VHF INOP CAPT'S AND F/O'S POSITION. - [SDR MYWA090101](https://openairdocs.org/sdr/MYWA090101.md): Trim Motor · inoperative · Jan 1, 2009 · N742MA · Boeing 73783N · Stabilizer Control System > STAB TRIM FAIL AFTER TAKEOFF. ACFT RETURNED TO BLOCK. MX CLEANED AND INSPECTED CONNECTOR PLUG TO STAB TRIM MOTOR. OPS CHECK GOOD, RETURN TO SERVICE. ACFT ARRIVED, UPON TAXI, STAB TRIM FAILED. MX REMOVED AND REPLACED STAB TRIM MOTOR. ACFT HAS FLOWN WITH NO MO ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet' WHERE n_number = 'N742MA' AND deregistration_id = 'N742MA-2012-08-06' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/deregistered/N742MA-2012-08-06/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.