# JASC 2797: Flight Control System Wiring

- Type: JASC system/component code (FAA)
- ATA chapter: 27 Flight Controls
- Title in the code table: FLIGHT CONTROL SYSTEM WIRING
- Service difficulty reports: 919
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=27
- Page: https://openairdocs.org/jasc/2797

## What it covers

For reports indicating a problem with wiring specific to the Flight Control Systems.

## Service difficulty reports (919, newest 50)

- [SDR SIMA20261009001](https://openairdocs.org/sdr/SIMA20261009001), Oct 9, 2026: Emb ERJ170100LR. WIRE HARNESS. FAULTED. SLAT FAIL IN FLIGHT. SLAT FAIL AT 0. FLAPS WORKED AS NORMAL. SHAKER ANTICIPATED. EMERGENCY DECLARED. RAR RH WING INBD SL (N746CC)
- [SDR DALA2026092805379](https://openairdocs.org/sdr/DALA2026092805379), Sep 19, 2026: Boeing 757351. WIRE. DAMAGED. DIVERTED TO MSP DUE L/E SLAT ASYMMETRY MESSAGE. REPAIRED WIRE W8526-1001-20 OF LEFT WING TO SLAT LOSS SWITCH. (AIRCRAFT  (N583NW)
- [SDR SCNA20260917401](https://openairdocs.org/sdr/SCNA20260917401), Sep 13, 2026: Boeing 737800*. ELEC CONNECTOR. LOOSE. DURING LANDING CHECKLIST NOTICED THAT THE SPEED BRAKE ARM LIGHT DID NOT ILLUMINATE AFTER ARMING THE SPEED BRAKE. MOVED L (N5237A)
- [SDR SWAA2026082712675](https://openairdocs.org/sdr/SWAA2026082712675), Aug 26, 2026: Boeing 7378H4. WIRE. DAMAGED. DURNING APPROACH WHEN SELECTING FLAPS 15 LE FLAPS IN TRANSIT ILLUMINATED DURNING APPROACH WHEN SELECTING FLAPS 15 LE FLA (N8543Z)
- [SDR VNAA2026081722802](https://openairdocs.org/sdr/VNAA2026081722802), Aug 16, 2026: Cndair CL6002D24. ECU. UNSERVICEABLE. STAB/ MACH TRIM CAUTION IN FLIGHT AND SLATS/FLAPS HALFSPEED / REMOVED AND REPLACED SFECU 1 IAW CRJ 900 AMM 27-51-06-400- (N599NN)
- [SDR SWIA2026072976703](https://openairdocs.org/sdr/SWIA2026072976703), Jul 29, 2026: Cndair CL6002C11. ELEC CONNECTOR. CORRODED. FLAPS FAIL CAUTION MESSAGE AT CRUISE, COMPLIED WITH QRH FOR A FLAPS 0 LANDING. BRAKES 2672 AT GATE. (FLIGHT 3702) REF AM (N712SK)
- [SDR DALA2026071004068](https://openairdocs.org/sdr/DALA2026071004068), Jul 9, 2026: Boeing 757232. ELEC CONNECTOR. CONTAMINATED. DE/FCNT-DUE TO FLAP ISLN VALVE EICAS MESSAGE. REPLACED RELAY K10104 IN P33. FLAP BYPASS VALVBE ELEC CONNECTOR FOUND TO B (N663DN)
- [SDR SWAA2026050495240](https://openairdocs.org/sdr/SWAA2026050495240), May 3, 2026: Boeing 7377CT. CONNECTOR. DIRTY. AFTER ROTATION (155KTS) TAKE OFF CONFIG WARNING LIGHT AND HORN ON AND WENT OUT AFTER LIFT OFF. GEAR UP NORMALLY. FLAPS W (N7831B)
- [SDR DALA2026050102778](https://openairdocs.org/sdr/DALA2026050102778), Apr 29, 2026: Airbus A320212. RECEPTACLE. CORRODED. CORROSION ON ELECTRICAL RECEPTACLES (7540 VC) (7542 VC) ON RH WING (REFER TO RII AMDS CARD 2751-9202). REPLACED ELECTRIC (N336NW)
- [SDR SWAA2026040786777](https://openairdocs.org/sdr/SWAA2026040786777), Apr 6, 2026: Boeing 7378. CIRCUIT BREAKER. INCORRECT. ON SHORT FINAL; FLAPS SELECTED TO 5 WITH NO FLAP MOVEMENT. RAN QRH AND ALTN FLAPS USED FOR LANDING. FOUND C/B P6-2 A12 P (N8749Q)
- [SDR DALA2026031301761](https://openairdocs.org/sdr/DALA2026031301761), Mar 12, 2026: Boeing 757232. WIRE. DISCONNECTED. ATO- DUE TO SPOILERS TAKEOFF CONFIG WARNING MESSAGE. FOUND PIN/WIRE DISCONNECTED FROM S371 AND REPAIRED SAME. S493 REMOV (N696DL)
- [SDR AALA202601219260](https://openairdocs.org/sdr/AALA202601219260), Jan 19, 2026: Boeing 737823. CIRCUIT BREAKER. TRIPPED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: STAB TRIM CIRCUIT BREAKER FOUND POPPED ON CLIMB OUT. AIRCRAFT E (N964NN)
- [SDR SIMA20260116001](https://openairdocs.org/sdr/SIMA20260116001), Jan 16, 2026: Emb ERJ170200LR. WIRE HARNESS. FAILED. SLAT FAIL ON APPRCH DECLARED EMERGENCY. RAR SLAT 3/4 LH HARNESS IAW AMM 27-83-07. OPS CECKED IAW AMM 27-80-00-710-801-A/ (N267NN)
- [SDR AALA202601140298](https://openairdocs.org/sdr/AALA202601140298), Jan 13, 2026: Boeing 737823. ELEC CONNECTOR. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING APPROACH FLAP GAGE SHOWED FLAP ASYMMETRICINDICATION, CYC (N899NN)
- [SDR ABXA20260108006](https://openairdocs.org/sdr/ABXA20260108006), Jan 8, 2026: Boeing 767381. ELEC CONNECTOR. DIRTY. DURIING TAXI OUT, TE FLAP DISAGREE CAUTION AND TRAILING EDGE LIGHT UPON SELECTION OF FLAPS 5 FOR TAKEOFF. AIRCRAFT RETUR (N390CM)
- [SDR U5QA202512220165](https://openairdocs.org/sdr/U5QA202512220165), Dec 22, 2025: Gulstm GIVXG450. WIRE. BROKEN. LATERAL CONTROL HYD. OFF AMBER MESSAGE REPOSTED DURING MAINTENANCE CHECK FLIGHT. FOUND BOTH WIRES OF TWISTED SHIELDED PA (N151JE)
- [SDR DALA2025111808408](https://openairdocs.org/sdr/DALA2025111808408), Nov 16, 2025: Airbus A319114. ELEC CONNECTOR. WORN. WEAR ELECTRICAL CONNECTOR RECEPTACLES (2 EA) (FIN 7543VC AND 7541VC) A ND PROXIMITY SENSOR CONNECTORS (2 EA) (FIN 37CV A (N363NB)
- [SDR DALA2025111208290](https://openairdocs.org/sdr/DALA2025111208290), Nov 11, 2025: Airbus A319114. ELEC CONNECTOR. BROKEN. BROKEN ELECTRICAL CONNECTOR (31CE10A) LOC. ON SPOILER ACTUATOR 5 RH WING. CORRECTIVE ACTION: REPLACED ELECTRICAL CONNECT (N353NB)
- [SDR DALA2025111008206](https://openairdocs.org/sdr/DALA2025111008206), Nov 9, 2025: Airbus A319114. ELEC CONNECTOR. CORRODED. CORROSION ON ELECTRICAL CONNECTOR 16CA LOCATED ARTIFICIAL FEEL AND RUD DER TRAVEL LIMITING AT VERTICAL STABILIZER. CORRE (N353NB)
- [SDR DALA2025111008204](https://openairdocs.org/sdr/DALA2025111008204), Nov 9, 2025: Airbus A319114. ELEC CONNECTOR. CORRODED. CORROSION ELECTRICAL CONNECTOR ON IB ELEVATOR SERVO CONTROL ACTUATOR (1E/A) AND OB ELEVATOR SERVO CONTROL ACTUATOR (2E/A (N353NB)
- [SDR CALA2025110510908](https://openairdocs.org/sdr/CALA2025110510908), Nov 5, 2025: Boeing 7379. ELEC CONNECTOR. SHORTED. TECH SUPPORT UPDATE ON CHRONIC MX AND SPOILER LIGHT W/AHM LOGGING FAULT 27-01620 A COUPLE TIMES SPOILER 9 NOT FOLLOWING  (N27539)
- [SDR DALA2025090106452](https://openairdocs.org/sdr/DALA2025090106452), Aug 30, 2025: Airbus A319114. ELEC CONNECTOR. WORN. WORN ELECTRICAL CONNECTOR 7540VC ON I/B FLAP RT. REPLACED ELECTRICAL CONNECTOR 7540VC ON I/B FLAP RT IAW AIRBUS ESPM 20- (N357NB)
- [SDR DALA2025082906405](https://openairdocs.org/sdr/DALA2025082906405), Aug 28, 2025: Airbus A319114. ELEC CONNECTOR. CORRODED. CORROSION ELECTRICAL CONNECTORS SPOILER 2,3,4 AND 5 ACTUATOR OF ON LH WING. REPLACED ELECTRICAL CONNECTORS SPOILER #2, 3 (N357NB)
- [SDR DALA2025082506316](https://openairdocs.org/sdr/DALA2025082506316), Aug 21, 2025: Airbus A319114. ELEC CONNECTOR. CORRODED. CORROSION ON ELECTRICAL CONNECTORS 7541VC AND 7543VC OF INTERCONNECTING STRUT ON LH WING. REPLACED ELECTRICAL CONNECTORS (N355NB)
- [SDR JJBA20250822045](https://openairdocs.org/sdr/JJBA20250822045), Aug 18, 2025: Emb EMB145XR. ELEC CONNECTOR. FAULTED. FLAP FAIL, SPS ADVANCED EICAS MESSAGE DISPLAYED AFTER MOVING FLAP HANDLE DURING APPROACH. REMOVED AND REPLACED ELECTRICA (N17138)
- [SDR DALA2025081206035](https://openairdocs.org/sdr/DALA2025081206035), Aug 11, 2025: Airbus A319114. ELEC CONNECTOR. CORRODED. SHIP 3146 EMPENNAGE VERTICAL STABILIZER T/E AREA, RUDDER POSITION UNIT 42WV ELECTRICAL CONNECTOR WITH CORROSION. CORRECT (N346NB)
- [SDR DALA2025080105794](https://openairdocs.org/sdr/DALA2025080105794), Jul 31, 2025: Airbus A320212. WIRE. DAMAGED. ATB DUE TO THE FLAPS BEING LOCKED BETWEEN POSITION 1 AND 2 WITH A FLAPS FAULT MESSAGE. REPLACED PIN ON WIRE 2751-5907R,  (N358NW)
- [SDR UIEA2025072901053](https://openairdocs.org/sdr/UIEA2025072901053), Jul 29, 2025: Boeing 767324. ELEC CONNECTOR. DAMAGED. CONFIG WARNING AND FLAPS AFTER CLEAN UP. NOSE GEAR EXTENSION EXPERIENCED A LOUD BANG. SPD LIM MESSAGE NEXT TO 250 KNOTS  (N645GT)
- [SDR 3EJA202508150003](https://openairdocs.org/sdr/3EJA202508150003), Jul 9, 2025: Cessna 560XL. ELEC CONNECTOR. NOT SEATED. ON APPROACH AND GIVEN INSTRUCTION TO SLOW. CONFIGURED THE AIRPLANE FOR FLAPS 15. RECEIVED A STAB MISCOMPARE & DISCONTINU (N853JS)
- [SDR AALA202507086655](https://openairdocs.org/sdr/AALA202507086655), Jul 4, 2025: Boeing 737823. ELEC CONNECTOR. FAILED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: DURING CLIMB THE AIRCRAFT PITCHED UP AND DOWN WITH THE LEADING  (N815NN)
- [SDR HNAA2025062400460](https://openairdocs.org/sdr/HNAA2025062400460), Jun 23, 2025: Emb EMB145LR. ELEC CONNECTOR. LOOSE. LOW SPEED REJECTED TAKEOFF AT 20 KNOTS DUE TO OPEN SPOILER INDICATION ON EICAS AND UNCOMMANDED PITCH TRIM MOVEMENT, UP 9 (N905JH)
- [SDR DALA2025061204465](https://openairdocs.org/sdr/DALA2025061204465), May 27, 2025: Boeing 767332. WIRE. DAMAGED. SHIP 1604 -DE/MISC- DUE TO LE ASYM INDICATION IN FLIGHT. CORRECTIVE ACTION: REPLACED SWITCH S286 AND REPAIRED WIRE ON CO (N1604R)
- [SDR AALA202505285710](https://openairdocs.org/sdr/AALA202505285710), May 26, 2025: Boeing 737823. ELEC CONNECTOR. SHORTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: AT TAKEOFF ROTATION, THE TAKE OFF CONFIGURATION WARNING HORN SO (N954AN)
- [SDR SWAA2025051971039](https://openairdocs.org/sdr/SWAA2025051971039), May 13, 2025: Boeing 7377H4. MOTOR. BURNED OUT. F.O. STICK SHAKER SHORT CIRCUIT; BURNT WIRES/SMOKE ON CAPT PREFLIGHT TEST.<[01] R&R FO?S STICK SHAKER MOTOR AND CONNECTO (N259WN)
- [SDR CALA2025051304648](https://openairdocs.org/sdr/CALA2025051304648), May 10, 2025: Boeing 737824. ELEC CONNECTOR. DAMAGED. SPLIT FLAP ON ARRIVAL. LEFT FLAP LESS THAN ONE RIGHT FLAP STUCK AT ZERO. PILOT INFOMED THAT THEY SELECTED FLAPS ONE THE  (N26208)
- [SDR 2025FA0000378](https://openairdocs.org/sdr/2025FA0000378), May 8, 2025: Cessna 525C. ELEC CONNECTOR. UNSECURE. DURING CLIMB, WITH AUTOPILOT ENGAGED, CREW WAS ALERTED TO A RT WING OVERTEMP MESSAGE, FOLLOWED BY AUTOPILOT DOING UNCOMM (N824NE)
- [SDR SWAA2025042126532](https://openairdocs.org/sdr/SWAA2025042126532), Apr 20, 2025: Boeing 7377H4. ELEC CONNECTOR. DIRTY. WITH LAP LEVER TO 25; FLAP INDICATOR SHOWED SPLIT FLAP CONDITION WITH 1 NEEDLE AT 0 AND THE OTHER AT .5. RAN QRH FOR TRA (N286WN)
- [SDR SIMA202504143003](https://openairdocs.org/sdr/SIMA202504143003), Apr 13, 2025: Emb ERJ170100LR. ELEC CONNECTOR. LOOSE. SLAT FAIL UPON DEPARTURE, UNABLE TO CLEAR USING QRH CHECKLIST. RETURNED TO ORD. INTERRORGATED CMC FOUND FAULT CODE "2781 (N787BP)
- [SDR DALA2025040402553](https://openairdocs.org/sdr/DALA2025040402553), Apr 1, 2025: Airbus A319114. ELEC CONNECTOR. CORRODED. SHIP 3141 DISC: CORROSION TRAILING EDGE ELECTRICAL CONNECTOR ON WING TIP BRAKE LOCATED BETWEEN RIB15 TO RIB16 ON RH WING (N341NB)
- [SDR SWAA2025033119766](https://openairdocs.org/sdr/SWAA2025033119766), Mar 30, 2025: Boeing 7377H4. CONNECTOR. LOOSE. FLAPS FAILED BETWEEN 1 AND 2; EXTENDED FLAPS TO 15 USING ALT FLAP EXTENSION. RNO MX FOUND LEFT POSITION TRANSMITTER CONN (N263WN)
- [SDR SWAA2025032508744](https://openairdocs.org/sdr/SWAA2025032508744), Mar 24, 2025: Boeing 7377BD. WIRE. LOOSE. LE FLAP TRANSIT LIGHT ILLUMINATED; FLAP 2 AMBER TRANSIT LIGHT REMAINED ILLUMINATED ON OVERHEAD. PERFORMED QRH. LE FLAP 2 (N7715E)
- [SDR AALA202503100250](https://openairdocs.org/sdr/AALA202503100250), Mar 9, 2025: Boeing 737823. GROUND WIRE. LOOSE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: NUMBER 1 IN TRANSIT KRUEGER LIGHT WOULD NOT EXTINGUISH WITH ASS (N955NN)
- [SDR SIMA20250308001](https://openairdocs.org/sdr/SIMA20250308001), Mar 8, 2025: Emb ERJ170200LR. WIRE HARNESS. DAMAGED. SLAT FAIL AFTER TAKE OFF DECLARED EMERGENCY. FOUND R/H OUTBOARD SLAT SKEW SENSOR SHORTED. REMOVED AND INSTALLED SERVICEA (N332JG)
- [SDR SWAA2025031002282](https://openairdocs.org/sdr/SWAA2025031002282), Mar 5, 2025: Boeing 7378H4. CONNECTOR. LOOSE. ON APPROACH; SELECTED FLAPS 5. NOTICED SLIGHT SPLIT FLAPS 15; FLAPS DID NOT MOVE. FOLLOWED QRH. ALTN FLAPS FUNCTION NORM (N8515X)
- [SDR SWAA2025030502296](https://openairdocs.org/sdr/SWAA2025030502296), Mar 5, 2025: Boeing 7377H4. ELEC CONNECTOR. FAILED. LEADING EDGE FLAPS + SLATS AND TRAILING EDGE FLAPS DID NOT EXTEND WHEN FLAPS LEVER PLACED TO FIVE. FLAP ASYMMETRY INDICA (N261WN)
- [SDR DALA2025030201588](https://openairdocs.org/sdr/DALA2025030201588), Feb 25, 2025: Boeing 737832. CONNECTOR. DAMAGED. (LOG 6594678) L/E FLAP TRANSIT LIGHT INDICATION DURING ELEVATOR CHECKOUT WHEN FLT CNTRL AB SWITCHED TO STDBY RUD POSITIO (N3745B)
- [SDR 21GA20250214001](https://openairdocs.org/sdr/21GA20250214001), Feb 14, 2025: Boeing 767231. CIRCUIT BREAKER. TRIPPED. ON APPROACH GOT TE FLAP FAIL MESSAGE. CREW DECLARED AN EMERGENCY BUT LANDED WITHOUT INCIDENT. FOUND CD OUT. RESET BREAKE (N652GT)
- [SDR SIMA20250211001](https://openairdocs.org/sdr/SIMA20250211001), Feb 11, 2025: Emb ERJ170200LR. WIRE HARNESS. DAMAGED. SLAT FAIL AT 3 ON DEPARTURE DVRT ORD TOWER DECLARED EMERGENCY. RAR LH O/B SLAT 3/4 SKEW SENSOR HARNESS IAW EMB 175 AMM 2 (N255NN)
- [SDR R61A2025020800084](https://openairdocs.org/sdr/R61A2025020800084), Feb 8, 2025: Emb ERJ170200LR. WIRE HARNESS. FAULTED. SLAT FAIL AT FL230. DECLARED EMERGENCY, LANDED WITHOUT FLIGHT. R&R SF-ACE 1. R&R RHOB SLAT SKEW SENSOR HARNESS. (N112HQ)
- [SDR DALA2025012100473](https://openairdocs.org/sdr/DALA2025012100473), Jan 20, 2025: Airbus A319114. ELEC CONNECTOR. CORRODED. SHIP 3147 CORROSION ELECTRICAL CONNECTOR FIN: 7543VC AND 7541VC ON I/B FLAP LH WING. CORRECTIVE ACTION: REPLACED ELECTRI (N347NB)

All 919: https://openairdocs.org/jasc/2797/reports.md

## Other codes in chapter 27

- [JASC 2700](https://openairdocs.org/jasc/2700): Flight Control System (1,742 reports)
- [JASC 2701](https://openairdocs.org/jasc/2701): Control Column Section (510 reports)
- [JASC 2710](https://openairdocs.org/jasc/2710): Aileron Control System (2,967 reports)
- [JASC 2711](https://openairdocs.org/jasc/2711): Aileron Tab Control System (415 reports)
- [JASC 2720](https://openairdocs.org/jasc/2720): Rudder Control System (3,130 reports)
- [JASC 2721](https://openairdocs.org/jasc/2721): Rudder Tab Control System (686 reports)
- [JASC 2722](https://openairdocs.org/jasc/2722): Rudder Actuator (284 reports)
- [JASC 2730](https://openairdocs.org/jasc/2730): Elevator Control System (2,647 reports)
- [JASC 2731](https://openairdocs.org/jasc/2731): Elevator Tab Control System (1,295 reports)
- [JASC 2740](https://openairdocs.org/jasc/2740): Stabilizer Control System (2,126 reports)
- [JASC 2741](https://openairdocs.org/jasc/2741): Stabilizer Position Indicating (889 reports)
- [JASC 2742](https://openairdocs.org/jasc/2742): Stabilizer Actuator (609 reports)
- [JASC 2750](https://openairdocs.org/jasc/2750): Trailing Edge Flap Control System (10,185 reports)
- [JASC 2751](https://openairdocs.org/jasc/2751): Trailing Flap Position Indicating System (3,078 reports)
- [JASC 2752](https://openairdocs.org/jasc/2752): Trailing Edge Flap Actuator (1,977 reports)
- [JASC 2760](https://openairdocs.org/jasc/2760): Drag Control System (3,502 reports)
- [JASC 2761](https://openairdocs.org/jasc/2761): Drag Control Actuator (1,070 reports)
- [JASC 2770](https://openairdocs.org/jasc/2770): Gust Lock Damper System (90 reports)
- [JASC 2780](https://openairdocs.org/jasc/2780): Leading Edge Slat Control System (2,157 reports)
- [JASC 2781](https://openairdocs.org/jasc/2781): Leading Edge Slat Position Indicating System (1,398 reports)
- [JASC 2782](https://openairdocs.org/jasc/2782): Leading Edge Slat Actuator (1,225 reports)

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