# Service difficulty reports: JASC 7710

A list on [JASC 7710](https://openairdocs.org/jasc/7710.md).

Reports filed under 7710 · Power Indicating System, newest first.

Page 1 of 4 · 191 reports

- [SDR QMLA2026021320011](https://openairdocs.org/sdr/QMLA2026021320011.md): Warning Light · illuminated · Feb 13, 2026 · N78NC · Bolkms BK117C2
  > NUMBER 2 ENGINE CHIP LIGHT ILLUMINATED IN FLIGHT.
- [SDR ABXA2025623135](https://openairdocs.org/sdr/ABXA2025623135.md): Sensor · faulted · Jun 23, 2025 · N744AX · Boeing 767232
  > ON TAKE-OFF AND ENGINE START, LEFT ENG DID NOT DISPLAY N1 IDICATION. AIRCRAFT ABORTED TAKE-OFF. (ATO). REMOVED AND REPLACED LT ENG N1 SPEED SHAFT SENSOR IAW B767 AMM 77-12-01, NO HELP. PERFORMED T/S PER WDM 77-12-11. FOUND CONNECTOR D4224P UNSECURED. RE-S
- [SDR DALA2025061604512](https://openairdocs.org/sdr/DALA2025061604512.md): Thermocouple · faulted · Jun 16, 2025 · N899AT · Boeing 717200
  > SHIP 9557 -ATB- PERFORMED AN AIR TURN BACK TO ATL DUE TO RIGHT ENGINE SYSTEM FAIL MESSAGE JUST AFTER TAKEOFF. CORRECTIVE ACTION: DURING INSPECTION OF RIGHT ENGINE TGT THERMOCOUPLE PROBES, FOUND TCC COOLING TUBE LINE BLOWN OUT AND MISSING HARDWARE. REPLACED COO
- [SDR SWAA2024120974575](https://openairdocs.org/sdr/SWAA2024120974575.md): Engine · smoke · Dec 5, 2024 · N295WN · Boeing 7377H4
  > EXCESSIVE SMOKE FROM #1 ENGINE TAILPIPE WITH PUDDLING ON GROUND AT REAR OF ENGINE SMOKE ACCOMPANIED BY FLAMES. OIL QUANTITY AT SHUTDOWN 52%. BP AERO JONATHAN NICOLINI (214) 303-7072. THEY ARE ARRIVING ON SWA FLIGHT #3491 AT 2025 IN LAS.<[01] REMOVED ENG#1 PRIM
- [SDR ASAA2023102845868](https://openairdocs.org/sdr/ASAA2023102845868.md): Unknown · unknown · Oct 28, 2023 · N979AK · Boeing 7379
  > AFTER START #1 ENGINE "ENG CONTROL" LIGHT ILLUMINATED. GROUNDED - YES. FOUND MAINTENANCE MESSAGE 80-44000 (ELECTRONIC OVERSPEED THRUST CONTROL MALFUNCTION ACCOMMODATION TEST DID NOT START). ACCOMPLISHED IFIM TASK G80-11-00-810-805. ACCOMPLISHED TEST NO 32 REF
- [SDR ASAA2023101345670](https://openairdocs.org/sdr/ASAA2023101345670.md): Unknown · unknown · Oct 13, 2023 · N562AS · Boeing 737890
  > DURING ENGINE START OF NUMBER 1 ENGINE, THE N2 ROLLED BACK ONE PERCENT AT 25.3 24 PERCENT. THE ENGINE WAS STARTED WITH ALL ENGINE PARAMETERS WITHIN LIMITS. GROUNDED - YES. RAN ENGINE #1 AND WATCHED N2 AND N2 DID NOT ROLL BACK. ENGINE PARAMETERS ARE WITHIN LIMI
- [SDR ASAA2023092645342](https://openairdocs.org/sdr/ASAA2023092645342.md): Sensor · faulty · Sep 26, 2023 · N938AK · Boeing 7379
  > LEFT ENGINE RAN SMOOTHLY & MADE APPROPRIATE POWER ON TAKEOFF/ CLIMB, BUT, N1,N2 & FUEL FLOW FLUCTUATED NOTICABLY DURING CLIMB( NOT SURE ABOUT FLUCTUATION ON TAKEOFF). GROUNDED - YES. PRESENT FAULT ON OBS 73-44632 FAN SPEED N1 SENSOR LOW TOOTH SIGNALIS INVALID
- [SDR ASAA2023090845003](https://openairdocs.org/sdr/ASAA2023090845003.md): Sensor · unknown · Sep 8, 2023 · N973AK · Boeing 7379
  > WHILE INTERROGATING SCHEDULED MAINTENANCE TASK DISPLAY PER TASK CARD NUMBER 31-005-00, FOUND FAULT CODE 73-44633, " FAN SPEED (N1) SENSOR LOW TOTH SIGNAL IS INVALID" FOR ENGINE #2. GROUNDED - YES. CONSULTED IFIM TASK G73-20-00-810-932, REMOVED ENGINE #2 N1 SEN
- [SDR ASAA2023082644798](https://openairdocs.org/sdr/ASAA2023082644798.md): Unknown · unknown · Aug 26, 2023 · N973AK · Boeing 7379
  > FOUND MAINT LIGHT "ON" FAULT CODE 77-43023 ACTIVE #2 ENGINE. GROUNDED - YES. FOUND ENG #2 N1 SENSOR OUT OF RANGE EEC CHANNEL "A". ACCOMP ENG #2 IDLE SYSTEM TEST, TEST PASS REF B737-9 IFIM G77-00-00-810-960 & AMM 71-00-00-700-808 FAULT NOT ACTIVE MAINT LIGHT EX
- [SDR ASAA2023081144554](https://openairdocs.org/sdr/ASAA2023081144554.md): Unknown · unknown · Aug 11, 2023 · N973AK · Boeing 7379
  > DURING PDC NOTED MAINT LIGHT ILLUMINATED OVERHEAD. GROUNDED - YES. ON STATUS PAGE ENG 2 CONTROL STATUS MESSAGE SHOWS. ACCOMPLISHED EXISTING FAULTS CHECK & FOUND MAINT MESSAGE 77-43023 FAN SPEED SENSOR OUT OF RANGE. NOT ACTIVE. ACCOMPLISHED FIM 77-00-00-810-960
- [SDR DALA2023062705161](https://openairdocs.org/sdr/DALA2023062705161.md): Unknown · unknown · Jun 25, 2023 · N301DU · Bombdr BD1001A10
  > SHIP 8301 - ATB/IFSD -PERFORMED AIR TURN BACK DUE TO LEFT ENGINE FAIL MESSAGE THAT RESULTED IN AN IFSD. CORRECTIVE ACTION: MSP MAINTENANCE FOUND METAL IN TAILPIPE. LT ENGINE REPLACED. (LP# 9717350, 2831647)
- [SDR 2023F00138](https://openairdocs.org/sdr/2023F00138.md): Transmitter · false indication · May 10, 2023 · N453MH · Bolkms BK117C2
  > "ENGINE PARAMETERS DISAGREE" CAUTION ILLUMINATED IN FLIGHT SHORTLY AFTER DEPARTURE. PILOT RETURNED TO BASE AND LANDED UNEVENTFULLY. PILOT NOTED THE THE #2 ENGINE TORQUE INDICATION WAS ERRATIC. MAINTENANCE CHANGED THE TORQUE TRANSMITTER
- [SDR ASAA2023041942923](https://openairdocs.org/sdr/ASAA2023041942923.md): Unknown · faulty · Apr 19, 2023 · N559AS · Boeing 737890
  > WITH RECENT FAN MX #2 ENGINE TREND DATA SHOWS LOW PRESSURE ROTOR VIBRATION LEVELS ARE STILL ELEVATED. GROUNDED - YES. PERFORMED FAN TRIM BALANCE TEST 14B 3 TIMES VIBES STILL ABOVE 2.2 REF B737-800 AMM 71-00-00 TEST B. RESET ALL ENGINE #2 FAN BALANCE BOLTS TO P
- [SDR ASAA2023030142353](https://openairdocs.org/sdr/ASAA2023030142353.md): Sensor · out of range · Mar 1, 2023 · N931AK · Boeing 7379
  > DURING ASA TC 05-020-01 FOUND REPEAT ENG 2 EEC C2 FAULT. 77-43073, N2 SENSOR OUT OF RANGE. GROUNDED - YES. REMOVED AND REPLACED ENG #2 N2 SPEED SENSOR PER B737-9 AMM 77-12-02.
- [SDR ASAA2023020741911](https://openairdocs.org/sdr/ASAA2023020741911.md): Sensor · failed · Feb 7, 2023 · N936AK · Boeing 7379
  > DURING ASA TSR713760 FOUND ENG 1 FAULT 73-44632 FAN SPEED N1 SENSOR LOW TOOTH SIGNAL IS INVALID DETECTED BY ENG 1 EEC CH. B UNDER PRESENT LEG FAULTS/ FAULT HISTORY LEGS 0,3,4 AND 16. GROUNDED - YES. REMOVED AND REPLACED #1 ENG N1 SENSOR REF B737-9 AMM 77-12-01
- [SDR ASAA2023020241838](https://openairdocs.org/sdr/ASAA2023020241838.md): Sensor · not reported · Feb 2, 2023 · N533AS · Boeing 737890
  > REF ASA T/C 78273000 CDU CHECK FOR FAULTS ENG 1 SHORT TIME FAULT 77-21131 & 77-11131, THE N2 SPEED SENSOR SIGNALS DISAGREE. GROUNDED - YES. REMOVED & REPLACED ENG.#1 N2 SPEED SENSOR PER B737-800 AMM 77-11-02. ACCOMPLISHED ENGINE RUN START IN REF AMM 71-00-00.
- [SDR ASAA2022110140870](https://openairdocs.org/sdr/ASAA2022110140870.md): Sensor · faulted · Nov 1, 2022 · N977AK · Boeing 7379
  > WHILE PERFORMING ASA T.C. #05-020-01, #1 ENG HAS SMT MTX MSG PRESENT "ENG 1 EEC C2", WITH CORRELATED MTX MSG 73-44632: FAN SPEED (N1) SENSOR LOW TOOTH SIGNAL IS INVALID, IN FAULT HISTORY. GROUNDED - YES. REPLACED N1 SENSOR, REF B737-9 AMM 77-12-01-401.
- [SDR ASAA2022052138416](https://openairdocs.org/sdr/ASAA2022052138416.md): Sensor · failed · May 21, 2022 · N517AS · Boeing 737890
  > ENG #2 VIBRATION INDICATOR DISAPPEARED INFLIGHT. GROUNDED - YES. ACCOMPLISHED AAVM SYSTEM BITE TEST, "N2 TACHO LOSS E2" LOGGED REF B737-800 AMM 77-31-00-970-803-F00 AND B737-800 FIM 77-31 TASK 801. TROUBLESHOOT PER FIM 77-31 TASK 805, B737-800 WDM 77-31-21 AND
- [SDR ASAA2022052038415](https://openairdocs.org/sdr/ASAA2022052038415.md): Sensor · failed · May 20, 2022 · N517AS · Boeing 737890
  > GE CNR 20220520046 #2 ENG (S/N 896912) EXPERIENCED ERRATIC SHIFTS IN CORE VIBRATIONS AT CRUISE AND TAKEOFF. PERFORM T/S PER DEFER TAB. #PRI2. GROUNDED - YES. ACCOMPLISHED AAVM SYSTEM BITE TEST, "N2 TACHO LOSS E2" LOGGED REF. B737-800 AMM 77-31-00-970-803-F00 A
- [SDR IPXA2022050481755](https://openairdocs.org/sdr/IPXA2022050481755.md): Throttle · inoperative · May 4, 2022 · N302UP · Boeing 76734AF
  > INSPECTION TYPE:ETOP DURING T/O RIGHT ENG DID NOT ADVANCE BEYOND 96.6 N1 MANUAL TROTTLE MOVEMNT NO RESPONSE.ACCOMPLISHED FIM TASK 77-12-00-815-825-H01 REV 136 ALL ITEMS FROM BLOCK 1-3 C/W NIL FAULTS. REPLACED RH ENGINE HMU & LEAK TESTED. SATIS DURING WET MOTO
- [SDR ASAA2022021537517](https://openairdocs.org/sdr/ASAA2022021537517.md): Sensor · inoperative · Feb 15, 2022 · N585AS · Boeing 737890
  > #1 ENGINE TREND DATA SHOWS GREATER THAN EXPECTED DATA SCATTER IN DELTA CORE SPEEDINDICATION ERRORS ARE SUSPECT. GROUNDED - YES. REMOVED AND REPLACED N2 SPEED SENSOR IAW B737-800 AMM 77-11-02. OPS AND LEAK CHECK GOOF REF AMM 71-00-00-800-811-F00.
- [SDR QXEA2021122900568](https://openairdocs.org/sdr/QXEA2021122900568.md): None · none · Dec 29, 2021 · N450QX · Bombdr DHC8402
  > DURING CLIMB PASSING 13000 IN MCL THE #TRQ BUG MOMENTARILY DROPPED TO APPROX. 45% THEN IMMEDIATELY RETURNED TO 91% NO POWER CHANGE NOTED AND EVENT MARKER PRESSED. INSPECTED AND CLEANED FADEC AND TORQUE SENSORS CONNECTORS. NO CONTAMINATION WAS FOUND. PERFORME
- [SDR AALA202112285883](https://openairdocs.org/sdr/AALA202112285883.md): Sensor · defective · Dec 27, 2021 · N952NN · Boeing 737*
  > AIRCRAFT WAS GROUNDED: LEFT ENGINE N1 INDICATION DID NOT REACH PLANNED SETTING OF 95.3% FOR TAKEOFF. DISCONNECTED AUTO THROTTLE WHILE ACCELERATING DOWN THE RUNWAY. PUSHED LEFT THROTTLE FULL FWD AND ACHIEVED APPROXIMATELY 91.2 % N1. AIRCRAFT WAS ACCELERATIN
- [SDR AC22022F00000](https://openairdocs.org/sdr/AC22022F00000.md): Wire Harness · unserviceable · Dec 6, 2021 · N639WW · Agusta AW139
  > ON SHORT FINAL #2 ITT LIMITER CAS ILLUMINATED WITH FLUCTUATING #2 ITT. SAFELY LANDED AIRCRAFT, CONFIRMED WITH QRH, CONTACTED DISPATCH AND MAINTENANCE SHUTDOWN AIRCRAFT. TROUBLESHOOTING DETERMINED POSSIBLE DEFECTIVE T5 INTERNAL HARNESS. ENGINE BEING REPLACED OF
- [SDR ASAA2021111236595](https://openairdocs.org/sdr/ASAA2021111236595.md): Sensor · inoperative · Nov 12, 2021 · N291BT · Boeing 7379
  > #1 ENG CONTROL LIGHT ILLUMINATED DURING TAXI WITH ASSOCIATED MAINT LIGHT ILLUMINATION. GROUNDED - YES. INBOUND FLIGHT DECK EFFECTS DISPLAYED THE FOLLOWING FAULT MX MESSAGES: 732 451 51 W/MX MESSAGE 77-43012; FAULT CODE 732 101 51 W/MX MESSAGE 77-43022; AND FAU
- [SDR ASAA2021100236157](https://openairdocs.org/sdr/ASAA2021100236157.md): Unknown · unknown · Oct 2, 2021 · N920AK · Boeing 7379
  > MASTER CAUTION OVERHEAD ILLUMINATED WITH AMBER MAINT LIGHT AFTER LANDING, RAN QRH, LIGHT STILL ILLUMINATED. GROUNDED - YES. PERFORMED ENGINE #1 INTERROGATION MSG 77-43022 ACTIVE. PERFORMED B737-9 IFIM TASK G77-12-00-810-806. CLEARED STATUS MSG AND PERFORMED E
- [SDR ASAA2021062835193](https://openairdocs.org/sdr/ASAA2021062835193.md): Status Message · illuminated · Jun 28, 2021 · N918AK · Boeing 7379
  > WHILE PERFORMING T/C 05-020-01, FOUND PRESENT LEG FAULT MAINTENANCE MESSAGE 73-44632 FAN SPEED (N1) SENSOR LOW TOOTH SIGNAL IS INVALID. DETECTED BY ENG 1 EEC CHANNEL-B FAULT IS NOT ACTIVE AND UNCORRELATED. GROUNDED - YES. MAINTENANCE MESSAGE IS UNCORRELATED AN
- [SDR IPXA2021042668624](https://openairdocs.org/sdr/IPXA2021042668624.md): Transmitter · intermittent · Apr 23, 2021 · N448UP · Boeing 75724APF
  > INSPECTION TYPE:NA**ATB - NO EMERG DECL'D - NO EMERG EQUIP USED - LANDED UNEVENTFULLY - AC TAKEN OOS** LEFT EPR FAILED 3 OR 4 TIMES IN FLIGHT. THEN WE LOST LEFT EEC. EPR COME BACK.LEFT ENG EEC BITE PER FIM 73-21-00-815-802. NO FAULTS RECALLED. R&R LT EPR XMIT
- [SDR AALA202102059003](https://openairdocs.org/sdr/AALA202102059003.md): Eiu · fault message · Feb 4, 2021 · N510UW · Airbus A321231
  > AIRCRAFT WAS GROUNDED: DURING CRUISE ECAM MESSAGE ENGINE 2 EIU FAULT AND AUTO FLIGHT AUTO THROTTLE OFF, LOST EPR INDICATIONS ON BOTH ENGINES. IN ADDITION DURING DESCENT THE CREW REPORTED THAT ENGINE 2 OIL TEMPERATURE WAS ALSO INOPERATIVE. AN EMERGENCY WAS DE
- [SDR ASAA2019061099652](https://openairdocs.org/sdr/ASAA2019061099652.md): Sensor · failed · Jun 9, 2019 · N407AS · Boeing 737990ER
  > DURING T/C 08031001. AEVM HAD FAULT N2 TACHO LOSS E1. GROUNDED - YES. REF B737-900 FIM 77-31 TASK 805 CDS BITE DID NOT SHOW RELATED RPM FAULT. CLEARED AVM BITE FAULTS. REMOVED AND REPLACED #1 ENG N2 SENSOR IAW B737-900 AMM 77-11-02. N2 SPEED SENSOR INSTALLATIO
- [SDR RAIA201905190001](https://openairdocs.org/sdr/RAIA201905190001.md): Control System · inoperative · May 19, 2019 · N18102 · Emb EMB145XR
  > E1 OPERATING 9% BELOW N1 RATING DURING CLIMBOUT. A/C IS STILL IN WORK. SUPPLIMENTAL INFORMATION FROM ORIGINAL ENTRY. R&R CONTROL STAND ASSEMBLY. OPS CHECK GOOD.
- [SDR AALA201905149002](https://openairdocs.org/sdr/AALA201905149002.md): Line · loose · May 12, 2019 · N342AN · Boeing 767323
  > AIRCRAFT WAS GROUNDED: PILOT REPORTS FROM DECENT UNITL 2000' LEFT ENGINE N1 RAGED FROM 10 TO 27 DIFFERENCE WITH ALL GAUGES MATCHING AND ADVERSE YAW. MAINTENANCE FOUND COMPRESSOR BLEED PRESSURE MUSCLE LINE NEAR MAIN ENGINE CONTROL LOOSE AND RE-SECURED. PERFORM
- [SDR SWIA2019050845869](https://openairdocs.org/sdr/SWIA2019050845869.md): Sensor · faulty · May 7, 2019 · N8933B · Cndair CL6002B19
  > ON CLIMB OUT LT ENGINE N1 WAS FLUCTUATING/SURGING. (FLT#7434) FO: 05/08/2019 CLOSED REMOVED AND REPLACED LT T2 SENSOR AND LT ENGINE CONTROL AMPLIFIER IAW AMM. OPS CHECK GOOD.
- [SDR ASAA2019022328336](https://openairdocs.org/sdr/ASAA2019022328336.md): Indication Sys · unknown · Feb 23, 2019 · N581AS · Boeing 737890
  > NO N2 NOTICED ON ENG START, NR 2 ENG AFTER PUSHBACK. GROUNDED - YES. MOTORED NR 2 ENG, INDICATION NOT VISIBLE DUE TO IT BEING IN COMPACTED VIEW, DUE TO POWER INTERRUPTION. ONCE PARAMETERS WERE VISIBLE ALL INDICATIONS ARE NORMAL. NO HISTORY FOR THE NR 2 ENG IN
- [SDR IPXA2019021548996](https://openairdocs.org/sdr/IPXA2019021548996.md): Epr System · warning message · Feb 14, 2019 · N457UP · Boeing 75724APF
  > IN CRUISE LEFT COMMAND EPR SECTOR INDICATING HIGHER EPR (1.68) THAN ACTUAL EPR DISPLAYED (1.61). 3/4 OF A THROTTLE SPLIT. EVENT RECORD BUTTON PRESSED. FL390. DECENDED TO LOWER CRUISE ALT, FL290. ENG INDICATIONS NORMAL. NO THROTTLE SPLITPER FIM 73-21-00-815-823
- [SDR ASAA2018113027194](https://openairdocs.org/sdr/ASAA2018113027194.md): Engine · faulted · Nov 30, 2018 · N928VA · Airbus A321253N
  > ENGINE 2 MINOR FAULT GROUNDED - YES. FAULT DID NOT OCCUR 5 CONSECUTIVE FLIGHTS, NO MAINTENANCE ACTION REQUIRE PER TSM 77-11-00-810-840A. OK FOR SVC.
- [SDR ASAA2018092426233](https://openairdocs.org/sdr/ASAA2018092426233.md): Warning System · false activation · Sep 21, 2018 · N928VA · Airbus A321253N
  > AIR ENG 1 BLEED HI TEMP, ENG 1 MINOR FAULT, ENG 2 MINOR FAULT, ENG 2 FADEC SYS FAULT. GROUNDED - YES. PER TSM 77-11-00-810-839A FAULT DID NOT OCCUR ON FIVE CONSECUTIVE FLIGHTS, NO MAINT ACTION REQ'D. AS A PRECAUTION FADEC TEST C/OUT, NO FAULTS NOTED.
- [SDR ASAA2018091926173](https://openairdocs.org/sdr/ASAA2018091926173.md): Warning System · false activation · Sep 18, 2018 · N925VA · Airbus A321253N
  > ENGINE 2 MINOR FAULT GROUNDED - YES. FOUND CFDS FAULT 771120 ENG 2B-015S-EOS ELECTRIC FAULT. PER TSM 77-11-00-810-840-A. FAULT OCCURED IN PHASE 9 AND NO OCCURANCES IN PAST 5 FLIGHTS. NO MX ACTION REQUIRED.
- [SDR ASAA2018091726113](https://openairdocs.org/sdr/ASAA2018091726113.md): Warning System · false activation · Sep 11, 2018 · N925VA · Airbus A321253N
  > ENG 2 MINOR FAULT ECAM MESSAGE. GROUNDED - YES. PER TSM 77-11-00-810-839A PERFORMED ENG 2 IDLE RUN. OPS CHECK GOOD. NO FAULTS NOTED AND NO FAULTS GENERATED IN THE LAST FOUR FLTS PER POST FLT REPORT.
- [SDR ANCF2018101500000](https://openairdocs.org/sdr/ANCF2018101500000.md): Unknown · malfunctioned · Aug 31, 2018 · N810AV · Airbus A321231
  > DURING TAKE OFF RISE ENGINE NR 1 N2 OVERLIMIT INTO RWY 01 SKRG CLOSE TO 80KNT AND 90 KNT N2 APROX 106 %.
- [SDR AALA2018083029004](https://openairdocs.org/sdr/AALA2018083029004.md): Transmitter · faulted · Aug 28, 2018 · N196AA · Boeing 757223
  > ABORTED TAKE OFF AT 90 KNOTS DUE TO A LOSS OF EPR INDICATION, RIGHT ENGINE. FLIGHT RETURNED TO GATE. EPR BLANKED AT 70 KNOTS. REJECTED TAKEOFF AT 75 KNOTS. MAXIMUM GROUND SPEED 90 KNOTS. THE AIRCRAFT WAS GROUNDED. TROUBLESHOOTING RIGHT ENGINE EPR TRANSMITTER
- [SDR ASAA2018082415893](https://openairdocs.org/sdr/ASAA2018082415893.md): Fadec · unknown · Aug 21, 2018 · N925VA · Airbus A321253N
  > NR 2 ENGINE FADEC SYS FAULTED. ACFT GROUNDED. PERFORMED TSM 77-00-00-810-949-A. NO FAULTS FOUND. OK FOR SERVICE.
- [SDR DALA2018081305050](https://openairdocs.org/sdr/DALA2018081305050.md): Probe · faulted · Aug 11, 2018 · N803NW · Airbus A330323
  > DUE TO A LEFT ENGINE AUTO FLIGHT AUTO THROTTLE OFF MASTER CAUTION WITH EPR MODE FAULT, DIVERTED. MAINTENANCE CONFIRMED EPR MODE FAULT, REPLACED LEFT ENGINE P2T2 PROBE. AIRCRAFT RTS.
- [SDR HALA2018062500198](https://openairdocs.org/sdr/HALA2018062500198.md): B-Nut · loose · Jun 23, 2018 · N390HA · Airbus A330243
  > RETURNED TO DEPARTURE DUE TO A NR 1 ENGINE EPR MODE FAULT. FOUND THE SENSE LINE WITH SLIGHT MOVEMENT IN THE B NUT. TIGHTENED THE B NUT. LINE IS THE P20/T20 HARD LINE, B NUT AT THE FORWARD SIDE OF THE UNION FITTING. PERFORMED VERIFICATION FLIGHT,
- [SDR ASAA2018062325181](https://openairdocs.org/sdr/ASAA2018062325181.md): Warning System · false activation · Jun 23, 2018 · N921VA · Airbus A321253N
  > ENG 1 SENSOR FAULT-IN CRUISE FLIGHT FL320. ADVISED "AVOID RAPID THRUST CHANGE" ECAM WAS CLEARED AND STATUS WENT AWAY AFTER 3 SEC. ALL OTHER ENGINE INDICATIONS NORMAL. GROUNDED - YES. PERFORMED NR 1 ENGINE TEST PER AMM 77-11-00-810-836-A. IDLE RUN SATIS & NO FA
- [SDR HALA2018062300197](https://openairdocs.org/sdr/HALA2018062300197.md): Probe · malfunctioned · Jun 22, 2018 · N390HA · Airbus A330243
  > RETURNED TO DEPARTURE DUE TO ECAM MESSAGES FOR AUTO FLT A, THR OFF WING 1, EPR MODE FAULT MAN THR. ADJUST FUEL 2FW 2FCG DISAGREE. REPLACED THE NR 1 ENGINE P20/T20 PROBE.
- [SDR ASAA2018062125149](https://openairdocs.org/sdr/ASAA2018062125149.md): Warning System · intermittent · Jun 21, 2018 · N921VA · Airbus A321253N
  > INTERMITTENT ENG 1 SENSOR FAULT ECAM MESSAGE CLIMBING THROUGH FL 330 FOR FL 340 WITH ENG. ANTI ICE ON, MESSAGES CLEARED 2 MIN. LATER ENG 1 PARAMETERS NORMAL GROUNDED - YES. PERFORMED ENG IDLE TEST ON NR 1 ENG. PER TSM 77-11-00-810-835-A OPS TEST GOOD NO FAULT
- [SDR ASAA2018032424038](https://openairdocs.org/sdr/ASAA2018032424038.md): Fault Message · false activation · Mar 24, 2018 · N923VA · Airbus A321253N
  > WHILE PERFORMING TC 730000-L1-1-VAM, FOUND SMR FAULT FOR THE NR 1 ENGINE CHANNEL A 0391 VIBRATION SYS. PERFORM TSM 77-11-00-810-852-A PARA 4.C. SUBTASK 77-11-00-810-166-A. ACFT GROUNDED. TROUBLESHOT IAW TSM 77-11-00-810-843-A. PERFORMED AN OPS ENGINE IDLE
- [SDR AALA20180211003](https://openairdocs.org/sdr/AALA20180211003.md): Transmitter · faulty · Feb 9, 2018 · N173AN · Boeing 757223
  > AIRCRAFT WAS GROUNDED. PHL-AMS RETURNING TO PHL ACCOUNT ENGINE TRUST ASYMMETRY ISSUE. EMERGENCY DECLARED. AT FL 35.0 PILOT REPORTS LEFT ENGINE LOW POWER DUE TO HIGH EPR. LEFT HAND ENGINE EPR: 1.96, N1: 74.4, EGT: 474, N2: 74, N3: 77, F/F: 2.6. R/H ENG EPR:1.76
- [SDR ASAA2017051120741](https://openairdocs.org/sdr/ASAA2017051120741.md): Sensor · intermittent · May 11, 2017 · N431AS · Boeing 737990ER
  > NR 2 ENGINE ACMS DATA SHOWS INTERMITTENT N2 VALUES FROM OIP REPORT 7. TAKEOFF AND CRUISE ACMS REPORTS SHOW NORMAL PARAMETERS. ACFT GROUNDED. REPLACED THE N2 SPEED SENSOR ON THE NR 2 ENGINE IAW AMM 77-11-01. ENGINE IDLE LEAK CHECKED GOOD AND BITE CHECK SHO

Next page: https://openairdocs.org/jasc/7710/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 jasc_code = '7710'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/jasc/7710/reports

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