# Service difficulty reports: Honeywell AS907-1-1A

A list on [Honeywell AS907-1-1A](https://openairdocs.org/engine/honeywell-as907-1-1a.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 6 · 276 reports

- [SDR 6TXA2026080600626](https://openairdocs.org/sdr/6TXA2026080600626.md): Pump · low pressure · Aug 6, 2026 · N971MC · Bombdr BD1001A10 · Hydraulic Pump (Electric/Engine), Main
  > RT HYDRAULIC PRESSURE FLUCTUATES AND DASHES WHEN SYSTEM IS PRESSURIZED WITH DCMP. R EDP DOESN’T PRODUCE PRESSURE AT LOW POWER SETTING LOST HYDRAULIC PRESSURE ON THE RIGHT SIDE SYSTEM IN FLIGHT. INCREASING POWER ON THE RIGHT ENGINE BUILT PRESSURE BUT AS SOON A
- [SDR U5QA202607220173](https://openairdocs.org/sdr/U5QA202607220173.md): Engine · vibration · Jul 22, 2026 · N334JE · Bombdr BD1001A10 · Engine (Turbine/Turboprop)
  > DURING DESCENT REDUCED POWER AND IMMEDIATELY FELT ENGINE VIBRATION. ITT STARTED TO RISE AND R ENGINE VIBRATION CAS APPEARED. ITT CONTINUED TO RISE AND EVENTUALLY LED TO ENGINE SHUTDOWN IN FLIGHT. MX R & R RT ENGINE.
- [SDR 3EJA300HQ062025](https://openairdocs.org/sdr/3EJA300HQ062025.md): Pump · failed · Jun 20, 2025 · N300HQ · Bombdr BD1001A10 · Turbine Engine Oil System
  > WHILE ADDING TAKE OFF POWER WE RECEIVED A MASTER CAUTION WITH R ENG OIL PRESSURE LOW.REMOVED AND REPLACED ENGINE OIL PUMP
- [SDR 3EJA202505070001](https://openairdocs.org/sdr/3EJA202505070001.md): Oil System · low pressure · May 7, 2025 · N393JS · Bombdr BD1001A10 · Engine Oil Pressure
  > RH ENG LOW OIL PRESSURE INTERMITTENT DURING CLIMB OUT.
- [SDR 6TXA2024110600820](https://openairdocs.org/sdr/6TXA2024110600820.md): Fire Warning · false activation · Nov 2, 2024 · N150MB · Bombdr BD1001A10 · Fire Detection
  > REPOSITIONING FLIGHT KAPF-KISM, THE CAPTAIN IS THE PILOT MONITORING, AND THE FIRST OFFICER IS THE PILOT FLYING. DURING THE CLIMB OUT AT AN ALTITUDE OF 10,000 FT, THE CREW RECEIVED AN APU FIRE INDICATION. PM (CAPTAIN) FOLLOWED THE IMMEDIATE CHECKLIST ITEMS AND
- [SDR U5QA202409050134](https://openairdocs.org/sdr/U5QA202409050134.md): Oil Cap · broken · Sep 5, 2024 · N309JE · Bombdr BD1001A10 · Turbine Engine Oil System
  > RT ENG FAILURE DUE TO LOW OIL PRESSURE. RED MESSG “ RT ENG OIL PRESS LOW “ INDICATION. PICS WERE PROVIDED. MX C/A: FOUND OIL CAP CHAIN PROTRUDING FROM UNDER CAP. R&R CAP VIA SB AS907-79-9007 WITH MOD P/N 3036061-5. SERVICED OIL. REMOVED, INSPECTED, REPLACE
- [SDR 2024F00209](https://openairdocs.org/sdr/2024F00209.md): Oil Cap · missing · Aug 30, 2024 · N253XS · Bombdr BD1001A10 · Turbine Engine Oil System
  > ON CLIMB OUT FROM KOXC RH ENGINE OIL PRESSURE LOW CAS MESSAGE. CREW ALSO VERIFIED THAT THE OIL LEVEL WAS DROPPING. IAW WITH THE QRH THE CREW SHUTDOWN THE RH ENGINE. THEY DECLARED AN EMERGENCY WITH THE TOWER AND RETURNED TO KOXC WITHOUT INCIDENT. UPON THE AIRCR
- [SDR 2024FA0000523](https://openairdocs.org/sdr/2024FA0000523.md): Oxygen Mask · leaking · Jul 23, 2024 · N985KM · Bombdr BD1001A10 · Crew Oxygen System
  > PASSING THROUGH FL190 ON DECENT THE CAPTAIN OXYGEN MASK CAME ON IN EMERGENCY MODE. THE FLOW COULD NOT BE ARRESTED AND THE OXYGEN SYSTEM WAS DEPLETED. THE OXYGEN MASK AND OXYGEN BOTTLES WERE REPLACED. BOTTLES REPLACED DUE TO THE SYSTEM GOING TO 0 PSI PER AMM.
- [SDR U5QA202402100126](https://openairdocs.org/sdr/U5QA202402100126.md): Oil Cap · missing · Feb 10, 2024 · N340JE · Bombdr BD1001A10 · Turbine Engine Oil System
  > RED LEFT ENG. LOW OIL PRESS LIGHT AT CRUISE FL430. PRESSURE INDICATED APPROX 28 PSI, THEN WENT UP TO 35-36 PSI AND LIGHT WENT OUT. RETARDED THE LEFT THRUST LEVER TOWARDS IDLE AND LIGHT REMAINED OUT, BUT THEN CAME ON THEN BACK OFF 2 OR 3 TIMES. FINALLY IT CAME
- [SDR 2022FA0000101](https://openairdocs.org/sdr/2022FA0000101.md): Starter · sheared · Feb 8, 2022 · N300WK · Bombdr BD1001A10 · Engine Starter
  > ON RT ENGINE START IN MIA THERE WAS NO ROTATION. NO ADVANCE INDICATIONS OF ANY ISSUES. VERIFIED BLEED AIR AVAILABILITY AND START VALVE FUNCTION, FOUND OK. STARTER OIL LEVEL WAS GOOD. REMOVED AIR TURBINE STARTER AND FOUND SHAFT SHEARED. REMOVED RH ENGINE ATS PN
- [SDR J7SA2021090200296](https://openairdocs.org/sdr/J7SA2021090200296.md): Clamp · unsecure · Sep 1, 2021 · N527FX · Bombdr BD1001A10 · Engine Bleed Air System
  > AIR TURN BACK DUE TO RIGHT PYLON BLEED LEAK CAS SHORTLY AFTER TAKEOFF. WITHIN 10 SECONDS, THE PF BROUGHT THE RIGHT THRUST LEVER BACK TO IDLE. THE CAS MESSAGE WENT AWAY, THE CREW DECLARED AN EMERGENCY, AND MADE RIGHT-HAND VFR TRAFFIC PER THEIR PREFLIGHT EMERGEN
- [SDR 2021FA0000247](https://openairdocs.org/sdr/2021FA0000247.md): Selector Valve · failed · Aug 11, 2021 · N300WK · Bombdr BD1001A10 · Landing Gear Retraction/Extension System
  > ON A SCHEDULED FLIGHT FROM RDU TO AAO THE LANDING GEAR WOULD NOT EXTEND ON FINAL APPROACH TO AAO. THE RETRACTION OUTBOUND RDU WAS NORMAL. THE LANDING GEAR REMAINED RETRACTED AFTER MULTIPLE ATTEMPTS TO EXTEND. THE AIRCRAFT DIVERTED TO ICT AND DECLARED AN EMERGE
- [SDR 2021FA0000197](https://openairdocs.org/sdr/2021FA0000197.md): Moisture Trap · cracked · Jun 22, 2021 · N985KM · Bombdr BD1001A10 · Stall Warning System
  > DURING TO AND AT AIRSPEED ALIVE A STALL PROTECT FAIL AMBER CAS MSG ILLUMINATED. TROUBLESHOT SYSTEM AND FOUND A CRACKED P2 WATER LEVEL INDICATOR (MOISTURE TRAP) AT THE RIGHT ADC CAUSING PITOT PRESSURE TO BE LOST. ALSO FOUND THE RIGHT STATIC WATER LEVEL INDICATO
- [SDR 2021FA0000196](https://openairdocs.org/sdr/2021FA0000196.md): Pitot Head · obstructed · Jun 17, 2021 · N985KM · Bombdr BD1001A10 · Pitot/Static System
  > DURING TO ROLL THERE WERE NO AIRSPEED INDICATIONS ON THE LT OR RT PRIMARY FLIGHT DISPLAYS CAUSING RED AOA FLAGS TO DISPLAY. THE TO WAS ABORTED THE ACFT TAXIED BACK TO THE MAINTENANCE FACILITY. TROUBLESHOOTING FOUND BOTH LEFT AND RIGHT PITOT TUBES WERE BLOCK WI
- [SDR U5QA202106150099](https://openairdocs.org/sdr/U5QA202106150099.md): Engine · flamed out · Jun 15, 2021 · N138CH · Bombdr BD1001A10 · Engine (Turbine/Turboprop)
  > MNMG (NICARAGUA) WITH RH ENG FADEC FAULT / ROLLBACK - FLAMEOUT ON RAMP AFTER ENG START - B3 CODES X 6 - B3-478758, B3-478-778, B3-478799, B3-478807, B3-478823, B3-303018. SUSPECT HMU, TBD. WORKING TO GET MX VENDOR TES IN PLACE TO EVALUATE, TROUBLESHOO
- [SDR 2021F00058](https://openairdocs.org/sdr/2021F00058.md): Control Unit · intermittent · Jun 12, 2021 · N286JR · Bombdr BD1001A10 · Stabilizer Control System
  > ON CLIMB OUT FROM KVNY, PILOTS GOT A PRIM STAB TRIM FAIL, MACH TRIM FAIL, RUDDER LIMITER FAIL, CAS MESSAGES. AFTER ABOUT 5 SECONDS, ALL BUT PRIM STAB TRIM FAIL MESSAGES WENT AWAY AND COULD NOT BE CLEARED. PILOTS REVERTED TO SEC TRIM AND DECIDED TO RETURN TO K
- [SDR AWKA2021013001](https://openairdocs.org/sdr/AWKA2021013001.md): Sense Line · loose · Jan 28, 2021 · N547XJ · Bombdr BD1001A10 · Engine RPM Indicating System
  > FLIGHT CREW NOTED DURING CLIMB OUT THAT THE ENGINES DIDN’T APPEAR TO BE SYNCHRONIZED VERY WELL. ONCE THEY ACHIEVED CRUISE ALTITUDE, SMALL ADJUSTMENTS WERE MADE TO BOTH ENGINE POWER SETTINGS. IT THEN BECAME APPARENT THAT IF THE POWER WAS REDUCED ON THE LEFT E
- [SDR AWKA2020103001](https://openairdocs.org/sdr/AWKA2020103001.md): Seal · failed · Oct 28, 2020 · N538XJ · Bombdr BD1001A10 · Engine (Turbine/Turboprop)
  > CLIMBING THRU 18,000 FT, EXPERIENCED A LT ENGINE FAILURE. DECLARED AN EMERGENCY & DIVERTED. HEAVY VIBRATION IN AIRFRAME, AILERONS, ELEVATOR & RUDDER. FELT IT WAS A CATASTROPHIC ENG FAILURE, PERFORMED ENG SHUTDOWN CHECKLIST. AN UNEVENTFUL LANDING ACCO
- [SDR J7SA2020102600231](https://openairdocs.org/sdr/J7SA2020102600231.md): Engine · vibration · Oct 18, 2020 · N525FX · Bombdr BD1001A10 · Engine (Turbine/Turboprop)
  > AIR TURN BACK DUE TO VIBRATIONS IN LEFT ENGINES AT FL 220. CREW EXPERIENCED VIBE IN YOKE AND PEDALS, AND INTENSITY WOULD INCREASE WHEN ADDING POWER. AIRCRAFT LANDED WITHOUT INCIDENT AT KHPN. REMOVED AND REPLACED NR 1 ENGINE, IAW AMM 71-00-01.
- [SDR CWQA20200814001](https://openairdocs.org/sdr/CWQA20200814001.md): Oil System · high pressure · Aug 10, 2020 · N270GP · Bombdr BD1001A10 · Engine Oil Pressure
  > DURING CLIMB AT FL290, CREW RECEIVED LEFT ENGINE HIGH OIL PRESSURE INDICATION. CHECKLIST FOLLOWED, EMERGENCY DECLARED, DESCENDED, AND PERFORMED UNSCHEDULED LANDING WITHOUT INCIDENT. ENGINE DOWNLOAD COMPLETED AND SENT TO ENGINE OEM FOR EVALUATION. MAINTENANCE
- [SDR J7SA201912241001](https://openairdocs.org/sdr/J7SA201912241001.md): Actuator · failed · Dec 21, 2019 · N550FX · Bombdr BD1001A10 · Engine (Turbine/Turboprop)
  > TWO CLUNKS FELT IMMEDIATELY AFTER TAKE OFF DURING GEAR AND FLAP RETRACTION SLIGHT AIRCRAFT YAW ALSO FELT NOTE. REMOVED & REPLACED THE LT ENGINE CVGA, REQUIRES LEAK & OPS CHECKS. INSTALLATION IAW LMM FOR AS907-1-1A 75-30-06. COMPLIED WITH ENGINE RUN AND LEAK
- [SDR 4NSA201912100912](https://openairdocs.org/sdr/4NSA201912100912.md): Proximity Sensor · defective · Dec 9, 2019 · N622N · Bombdr BD1001A10 · Landing Gear Position and Warning
  > DURING APPROACH, CREW SELECTED GEAR DOWN. RH MAIN GEAR DID NOT SHOW DOWN AND LOCKED.
- [SDR AWKA2019080501](https://openairdocs.org/sdr/AWKA2019080501.md): Lead · unsecure · Jul 31, 2019 · N551XJ · Bombdr BD1001A10 · Ignition System Wiring
  > ABOUT AN HOUR OUT FROM LANDING WHILE CRUISING AT FL450, THE RIGHT ENGINE ROLLED BACK AND SHUT DOWN WITHOUT ANY COMPONENT FAILURE NOR ANY ACTION FROM THE CREW. THE AIRCRAFT SHOWED IT WAS ATTEMPTING TO AUTO RE-LIGHT BUT THERE WAS NO INDICATION OF FUEL OR IGNITIO
- [SDR CA190731026](https://openairdocs.org/sdr/CA190731026.md): Engine · malfunctioned · Jul 31, 2019 · Bombdr BD1001A10 · Engine (Turbine/Turboprop)
  > (CAN) CREW REPORTS DURING CRUISE R ENG UN-COMMANDED SHUTDOWN. UNABLE TO RE-START. NO CAS MESSAGES OR B-3 CODES POSTED. DIVERTED FOR UNSCHEDULED LANDING. (TC# 20190731026)
- [SDR CA190711014](https://openairdocs.org/sdr/CA190711014.md): Switch · failed · Jul 9, 2019 · Bombdr BD1001A10 · Hydraulic System, Main
  > (CAN) LEFT HYDRAULIC SHUTOFF VALVE SHOWS CLOSED ON THE SYNOPTIC PAGE AND WHITE WITH CYAN ICAS (L HYD SOV CLOSED) POSTED AND INTERMITTENT AMBER (L HYD TEMP HIGH) POSTING. NOTHING IN THE MDC BUT PSEU NVM LOGGING DIN#11. TEMPERATURE SWITCH (MT133) AND FIREWALL SH
- [SDR CA190710001](https://openairdocs.org/sdr/CA190710001.md): Shutoff Valve · failed · Jul 9, 2019 · Bombdr BD1001A10 · Landing Gear Brake System
  > (CAN) THE AMBER `OUTB BRAKE FAIL` CAS MESSAGE POSTED DURING LANDING. MAINTENANCE SWAPPED BRAKE SHUTOFF VALVES AND ISSUE FOLLOWED. BRAKE SHUTOFF VALVE REPLACED. (TC# 20190710001)
- [SDR CA190704008](https://openairdocs.org/sdr/CA190704008.md): Selector Valve · failed · Jul 3, 2019 · Bombdr BD1001A10 · Landing Gear Steering System
  > (CAN) AFTER TAKE OFF, CYAN CAS NOSE WHEEL STEERING (NWS) FAULT DISPLAYED. CREW ELECTED TO DIVERT TO FOR LANDING. AIRCRAFT LANDED UNEVENTFULLY. ON ROLL OUT, AMBER CAS NWS FAIL POSTED. AIRCRAFT TAXIED OFF RUNWAY AND WAS TOWED TO RAMP. (TC# 20190704008)
- [SDR CA190702008](https://openairdocs.org/sdr/CA190702008.md): Pump · failed · Jul 1, 2019 · Bombdr BD1001A10 · Hydraulic Pump (Electric/Engine), Main
  > (CAN) DURING CRUISE PHASE AT 43000FT THE CREW BEGAN TO FEEL LOW FREQUENCY VIBRATIONS THROUGH THE FLOOR OF THE A/C IMMEDIATELY FOLLOWED BY A LEFT HYDRAULIC TEMPERATURE INCREASE. THE CREW THEN PROCEEDED TO RUN THEIR CHECKLIST BUT SHORTLY AFTER THE A/C DISPLAYED
- [SDR CA190702010](https://openairdocs.org/sdr/CA190702010.md): Access Panel · damaged · Jul 1, 2019 · Bombdr BD1001A10 · Wing, Plate/Skin
  > (CAN) GROUND INCIDENT, SERVICE TRUCK STRUCK THE WING OUTBOARD LEADING EDGE. AFTER INSPECTION, DAMAGE HAS BEEN ISOLATED TO THE LEADING EDGE ACCESS PANEL AND NAV LIGHT LENS ONLY. PARTS REPLACED: LEADING EDGE ACCESS PANEL: P/N: 1005741026-010 (REF IPC 57-41-09 I
- [SDR CA190618002](https://openairdocs.org/sdr/CA190618002.md): Dcpc · false indication · Jun 17, 2019 · Bombdr BD1001A10 · DC Power Distribution System
  > (CAN) DURING FLIGHT, THE CREW NOTICED THE BLINKING OF THE BATTERY AND GENERATOR LIGHTS FOLLOWED WITH ASSOCIATED CAS MESSAGE. ALL THE LIGHTS COME AND GO BUT THE VOLTAGES ON THE ELECTRICAL SYNOPTIC PAGE NEVER FLUCTUATE. CREW AWARE OF THIS CONDITION (FALSE MESSAG
- [SDR CA190617028](https://openairdocs.org/sdr/CA190617028.md): Generator · overheated · Jun 15, 2019 · Bombdr BD1001A10 · DC Generator-Alternator
  > (CAN) CREW WAS TAXIING TO A RUNWAY WAS INFORMED TO TAXI TO A DIFFERENT RUNWAY. IN THE PROCESS OF HEADING FOR THIS DIFFERENT RUNWAY CREW REPORTED THAT THE BOTH COPILOTS DISPLAYS WENT BLANK WITH THE R MAIN BUS FAIL CAS AND R AUX BUS FAIL CAS POSTED ALONG WITH AN
- [SDR CA190604009](https://openairdocs.org/sdr/CA190604009.md): Ecu · failed · Jun 3, 2019 · Bombdr BD1001A10 · Stabilizer Control System
  > (CAN) MACH TRIM FAIL DURING FLIGHT. AIRCRAFT DIVERTING FOR LANDING. HORIZONTAL STABILIZER CONTROL ELECTRONIC CONTROL UNIT WAS REPLACED. AIRCRAFT IS RTS. (TC# 20190604009)
- [SDR CA190516009](https://openairdocs.org/sdr/CA190516009.md): Autopilot Sys · malfunctioned · May 15, 2019 · Bombdr BD1001A10 · Autopilot System
  > (CAN) AFTER DEPARTURE DURING CLIMB APPROX FL350 MC AP HOLDING LWD APPEARED FOR 5 SECOND, THAN DISAPPEARED AND REAPPEARED AFTER 30 SECOND. WE DISCONNECT THE AP AND EXPERIENCED UNUSUAL ROLL FORCE WHICH HAS BEEN COMPENSATED WITH LEFT AILERON TRIM APPROX 45 DEG LE
- [SDR CA190516011](https://openairdocs.org/sdr/CA190516011.md): Dcpc · failed · May 11, 2019 · Bombdr BD1001A10 · DC Indicating System
  > (CAN) WHILE TAXIING OUT FOR TAKEOFF, RED MESSAGE `ESS POWER ONLY` CAME ON FOR 5-10 SECONDS. NOTICED #2 BATTERY HAD CYCLED OFF THEN ON BY ITSELF, THEN ALL CAS MESSAGE CLEARED. MAY 15/2019: REPLACED LEFT DCPC (SN 259) FOR FLICKERING PBA & RED ESSENTIAL POWER ONL
- [SDR CA190528003](https://openairdocs.org/sdr/CA190528003.md): Cabin Pressure · pressure loss · May 8, 2019 · Bombdr BD1001A10 · Cabin Pressure Control System
  > (CAN) CREW REPORTED ALL NORMAL FROM TAKE OFF TO 41,000 FT. AFTER LEVEL OFF (ABOUT 4-5 MINUTES) THE CABIN ALTITUDE STARTED CLIMBING RAPIDLY, GOT A RED CAS MESSAGE, NOTED ALTITUDE IN CABIN AROUND 9000`, RAN CHECKLIST AND PUT ON OXYGEN MASKS, ONCE THE MASKS WERE
- [SDR CA190507005](https://openairdocs.org/sdr/CA190507005.md): Hose · punctured · Apr 29, 2019 · Bombdr BD1001A10 · Hydraulic System, Main
  > (CAN) LEFT HYDRAULIC QTY DROPPED TO 0% AFTER GEAR EXTENSION. POST FLIGHT INSPECTION REVEALED A HYDRAULIC LEAK COMING FROM THE NOSE WHEEL WELL AREA. MX FOUND NOSE GEAR DOWN PRESSURE LINE PUNCTURED. THIS IS THE PRESSURE LINE AT THE NOSE GEAR ACTUATOR. (TC# 20190
- [SDR CA190430001](https://openairdocs.org/sdr/CA190430001.md): Bolt · loose · Apr 29, 2019 · Bombdr BD1001A10 · Elevator Control System
  > (CAN) CONTROL COLUMN STICKS/CATCHES WHEN PULLING AFT DURING FLIGHT CONTROL CHECK. COULD NOT DUPLICATE AT FIRST, EXCEPT PLAY IN DISCONNECT MODULE. PUT FINGERS ON THE BOLTS THAT HOLD THE DISCONNECT TO THE PILOTS TORQUE TUBE AND THE BOTTOM TWO WERE TIGHT BUT SHA
- [SDR CA190425008](https://openairdocs.org/sdr/CA190425008.md): Handle · failed · Apr 24, 2019 · Bombdr BD1001A10 · Landing Gear Selector
  > (CAN) LANDING GEAR DID NOT EXTEND UNTIL THE THIRD ATTEMPT. CONFIRMED LANDING GEAR HANDLE IS AT FAULT. (TC# 20190425008)
- [SDR CA190425021](https://openairdocs.org/sdr/CA190425021.md): Seal · failed · Apr 22, 2019 · Bombdr BD7001A10 · Passenger/Crew Doors
  > (CAN) THE MAIN ENTRY DOOR SEAL BLEW OUT. (TC# 20190425021)
- [SDR CA190423006](https://openairdocs.org/sdr/CA190423006.md): Wire · damaged · Apr 21, 2019 · Bombdr BD1001A10 · Flight Control System Wiring
  > (CAN) DURING CLIMB, APPROXIMATELY 15 MINUTES INTO THE FLIGHT AN (AMBER) `FLAPS FAIL` CAS MESSAGE POSTED ON EICAS. CREW ELECTED TO RETURN TO HOME BASE. AIRCRAFT RETURNED HOME ON FRIDAY. DURING THE VISIT A REPAIRED FLAP ACTUATOR PN 2253A0000-01 SN 00895 WAS INST
- [SDR CA190418012](https://openairdocs.org/sdr/CA190418012.md): Position Sensor · failed · Apr 17, 2019 · Bombdr BD1001A10 · Trailing Flap Position Indicating System
  > (CAN) FLAP FAULT (CYAN) MESSAGE POSTED NEAR TOP OF CLIMB AT FL42. LH FLAP POSITION INDICATION SHOWED DASHED OUT AND MAGENTA (INDICATING INVALID DATA). FLAPS OPERATED NORMALLY ON APPROACH AND AT LANDING BUT MESSAGE CHANGED TO FLAPS FAIL (AMBER) AFTER TOUCHDOWN
- [SDR CA190422016](https://openairdocs.org/sdr/CA190422016.md): Logic Card · malfunctioned · Apr 13, 2019 · Bombdr BD1001A10 · Electrical Power System Wiring
  > (CAN) RED (ESSENTIAL POWER ONLY) POSTED CRUISE FLIGHT AT FL370 WITH TRIPLE CHIME FOR ABOUT 1 SECOND AND CLEARED. NO LOSS OF ELECTRICAL POWER REPORTED BY THE CREW. MAINTENANCE COULD NOT DUPLICATE AND RERACKED PCB-3. OPS CHECK GOOD. AC RTS`D (TC# 20190422016)
- [SDR CA190410020](https://openairdocs.org/sdr/CA190410020.md): Computer · failed · Apr 9, 2019 · Bombdr BD7001A10 · Communications System
  > (CAN) FOLLOWING TAKE OFF, CONTINUOUS LOUD DINGING ALARM, #4 MFD BLANKED, LOST ALL CAS MESSAGES. FLAP INDICATION CYCLING BETWEEN AMBER AND GREEN. LOST ABILITY TO USE HEADING, VERTICAL OR F/D MODES. DECLARED EMERGENCY, RETURNED TO AIRPORT WITH TOWER VECTORS, VIS
- [SDR CA190411009](https://openairdocs.org/sdr/CA190411009.md): Trim Switch · failed · Apr 8, 2019 · Bombdr BD1001A10 · Rudder Tab Control System
  > (CAN) RUDDER TRIM SWITCH WAS FOUND DEFECTIVE DURING PRE-FLIGHT CHECK. INTERNAL DETENT OF THE RUDDER TRIM SWITCH HAS FAILED. RUDDER TRIM SWITCH HAS TO BE REPLACED. (TC# 20190411009)
- [SDR CA190403005](https://openairdocs.org/sdr/CA190403005.md): Aileron Sys · flutter · Apr 1, 2019 · Bombdr BD1001A10 · Aileron Control System
  > (CAN) ON FLIGHT OUT OF MAINTENANCE, FLIGHT CREW REPORTED THEY FELT A FLUTTER THRU THE AILERON CONTROL WHEEL WHEN TURNED AND PRESSURE MAINTAINED IN A STATIC POSITION. FLIGHT CREW STATED: `THE WHEEL FELT NOTCHY DURING TRANSITION. CONDITION MOST PROMINENT BET
- [SDR CA190327023](https://openairdocs.org/sdr/CA190327023.md): Connector · dirty · Mar 15, 2019 · Bombdr BD1001A10 · Electrical Power System Wiring
  > (CAN) AT FL450, CYAN ELECTRICAL FAULT, AND WHITE MESSAGES L BATT OFF, R BATT OFF, L GEN OFF, AND R GEN OFF POSTED. APU GEN DID NOT IMMEDIATELY COME ONLINE AFTER APU START. AIRCRAFT DIVERTED FOR LANDING REMOVE AND INSTALL TO RE-SEAT EACH PROTECTION CARD SEVER
- [SDR CA190903008](https://openairdocs.org/sdr/CA190903008.md): Pump · failed · Feb 20, 2019 · Bombdr BD1001A10 · Hydraulic Pump (Electric/Engine), Main
  > (CAN) ABORTED TAKEOFF DUE TO "L HYD ENG PUMP FAIL" CYAN EICAS MESSAGE. LEFT HYDRAULIC QUANTITY IS DOWN TO 2%. HYDRAULIC FLUID NOTED ON BELLY OF AIRCRAFT, AFT OF MAIN LANDING GEAR WHEEL WELL. MAINTENANCE CREW CONFIRMED LARGE AMOUNT OF HYDRAULIC FLUID COMING OUT
- [SDR AWKA2019022001](https://openairdocs.org/sdr/AWKA2019022001.md): Carbon Seal · failed · Feb 6, 2019 · N545XJ · Bombdr BD1001A10 · Engine (Turbine/Turboprop)
  > THE MANUFACTURER ADVISED THAT THEY HAD OBSERVED UNUSUAL AND SUDDEN SHIFTS IN OIL PRESSURE INDICATIONS, ALTERNATING BETWEEN POSITIVE AND NEGATIVE READINGS. THE MANUFACTURER ADVISED THAT THE CARBON SEAL SHOULD BE ACCESSED FOR IMMEDIATE INSPECTION. THE AIRCRAFT W
- [SDR CA190226008](https://openairdocs.org/sdr/CA190226008.md): Circuit Card · faulted · Feb 4, 2019 · Bombdr BD1001A10 · Electrical Power System Wiring
  > (CAN) ON THE GROUND WITH APU GEN ON-LINE - CYAN ICAS (ELECTRICAL FAULT) ALONG WITH A WHITE (APU GEN OFF) + (L BATT OFF) AND (R BATT OFF) THE PBA OFF LIGHTS WERE CYCLING ON AND OFF ALSO. THE LEFT BATTERY BOX WOULD FLASH YELLOW ALONG WITH THE FLOW TUBES WOULD GO
- [SDR GQVA20190121003](https://openairdocs.org/sdr/GQVA20190121003.md): Oil Cap · unsecure · Jan 19, 2019 · N508SN · Bombdr BD1001A10 · Turbine Engine Oil System
  > AIRCRAFT DEPARTED KADS ON 01/19/2019 AS THE AIRCRAFT WAS CLIMBING THROUGH FL200, THE CREW OBSERVED THE RT ENGINE OIL PRESSURE WAS LOW. THE CREW ELECTED TO SHUTDOWN THE RT ENGINE AS A PRECAUTION. AIRCRAFT RETURNED TO KADS(HOME)AND LANDED WITHOUT INCIDENT. UPON

Next page: https://openairdocs.org/engine/honeywell-as907-1-1a/reports.md?page=2

## 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 engine_model_key = 'AS90711A'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/engine/honeywell-as907-1-1a/reports

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