# JASC 7297: Turbine Engine System Wiring

- Type: JASC system/component code (FAA)
- ATA chapter: 72 Turbine/turboprop Engine
- Title in the code table: TURBINE ENGINE SYSTEM WIRING
- Service difficulty reports: 275
- FAA code table: https://www.faa.gov/sites/faa.gov/files/JASC_Code.pdf#page=62
- Page: https://openairdocs.org/jasc/7297

## What it covers

For reports indicating a problem with wiring specific to the Turbine Engine System.

## Service difficulty reports (275, newest 50)

- [SDR CALA2026072317959](https://openairdocs.org/sdr/CALA2026072317959), Jul 20, 2026: Boeing 757224. WIRE HARNESS. FAULTED. RIGHT ENG STARTER CUTOFF MSG, RT ENG VALVE LIGHT FLASHING. RAN CHCKLST SPOKE TO FLIGHT CREW, AFTER TAKE OFF STARTER CUTO (N33103)
- [SDR DALA2026070904037](https://openairdocs.org/sdr/DALA2026070904037), Jul 4, 2026: Boeing 767332. WIRE HARNESS. FAULTED. ENROUTE DIVERSION TO CDG DUE TO RT HPSOV EICAS MESSAGE. C/W OVERWEIGHT LANDING INSPECTION. MEL WITH M PROCEDURES APPLIED (N1605)
- [SDR YENA2026051800465](https://openairdocs.org/sdr/YENA2026051800465), May 18, 2026: Airbus A321271NX. WIRE HARNESS. FAILED. FLT 345, BOS-BCN. (ETOPS) "ENG 2 MINOR FAULT ( MINOR FAULT CAUTIONS ON ECAM E/WD ). R & R WC05 HARNESS (4207KS) IAW AMM  (N4048J)
- [SDR CALA2026041415354](https://openairdocs.org/sdr/CALA2026041415354), Apr 12, 2026: Boeing 737824. WIRE HARNESS. FAULTY. BLEED TRIP OFF LIGHT. RESET DIDNT WORK. LABOR HRS UPDATED REF WDM 36-11-11-1, MEGGED FROM D458B PIN 24 TO GROUND, METER  (N37287)
- [SDR QR9R2026022000001](https://openairdocs.org/sdr/QR9R2026022000001), Feb 20, 2026: Bolkms BK117C2. WIRE HARNESS. FAILED INSP. DURING THE HARNESS REPAIR PROCESS, THE FINAL ELECTRICAL CONTINUITY TEST FOR SHIELDING BETWEEN CONNECTORS WAS NOT PERFORM
- [SDR YENA2026021800218](https://openairdocs.org/sdr/YENA2026021800218), Feb 15, 2026: Airbus A321271NX. WIRE HARNESS. DAMAGED. FLT # 1621, LHR-BOS (ETOPS) "REFERENCE TSI 179801. #2 ENGINE, W03 HARNESS IS CHEFFED WITH EXPOSED WIRES ADJACENT TO THE  (N4048J)
- [SDR CALA2025120811863](https://openairdocs.org/sdr/CALA2025120811863), Dec 5, 2025: Boeing 767322. WIRE HARNESS. DAMAGED. DAMAGE FOUND TO NR 2 ENG ON LOOM FROM PYLON DISCONNECT TO EEC CONNECTOR D11686. HARNESS DISCONNECTED FOR FURTHER TROUBLE (N669UA)
- [SDR EE4Y2025102123356](https://openairdocs.org/sdr/EE4Y2025102123356), Oct 21, 2025: Airbus A320214. WIRE HARNESS. DAMAGED. DURING ACCOMPLISHMENT OF THE ALLEGIANT TASK A32X-200435-01-1-002, SECONDARY FINDING DURING REMOVAL OF WIRE BUNDLE SUPPOR (N281NV)
- [SDR CALA2025091008724](https://openairdocs.org/sdr/CALA2025091008724), Sep 8, 2025: Boeing 757224. WIRE HARNESS. BURNED. REF EA3611-01469. ENGINE 2 STRUT, UPPER SURFACE, RH SIDE, BY STA PPS 174.30, WIRE BUNDLE HAS CHAFING AND BURN MARKS. ESD (N14106)
- [SDR AALA202509172712](https://openairdocs.org/sdr/AALA202509172712), Aug 31, 2025: Airbus A321211. WIRE HARNESS. DEFECTIVE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHX DUE TO THE FLIGHT CREW REPORTING THAT  (N171US)
- [SDR AALA202509171579](https://openairdocs.org/sdr/AALA202509171579), Aug 31, 2025: Airbus A321211. COUPLING. DEFECTIVE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHX DUE TO THE FLIGHT CREW REPORTING THAT  (N171US)
- [SDR AALA202509173193](https://openairdocs.org/sdr/AALA202509173193), Aug 31, 2025: Airbus A321211. HARNESS. DEFECTIVE. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHX DUE TO THE FLIGHT CREW REPORTING THAT  (N171US)
- [SDR AALA202509176203](https://openairdocs.org/sdr/AALA202509176203), Aug 31, 2025: Airbus A321211. HARNESS. CHAFED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO PHX DUE TO THE FLIGHT CREW REPORTING THAT  (N171US)
- [SDR YENA2025073000787](https://openairdocs.org/sdr/YENA2025073000787), Jul 29, 2025: Airbus A321271NX. WIRE HARNESS. FAILED. FLT#2220, LHR-JFK. (ETOPS) "UPON ARRIVAL MAINT STATUS MESSAGE ENG 1 FADEC ( CLASS II MAINTENANCE MESSAGES DISPLAYED ON E (N4073J)
- [SDR 2025FA0000451](https://openairdocs.org/sdr/2025FA0000451), Jul 4, 2025: HARNESS. MISINSTALLED. WE HAVE BEEN INFORMED OF AN INCORRECT ASSEMBLY CARRIED OUT BY THE ST ON THE HARNESS PN 325-043-503-0, SN YH656967-D. UPO
- [SDR HALA20250630202](https://openairdocs.org/sdr/HALA20250630202), Jun 27, 2025: Airbus A330243. ELEC CONNECTOR. DAMAGED. ETOPS - ENG #1 EEC CONNECTOR J9 PIN DAMAGED. REMOVED AND REPLACED ENG #1 J9 CONNECTOR PER AMM 70-71-20. ENG RUN OPS CHEC (N360HA)
- [SDR AALA202505296757](https://openairdocs.org/sdr/AALA202505296757), May 26, 2025: Boeing 737823. WIRE HARNESS. FAULTED. AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS NOT DECLARED DUE TO: LEFT DUCT PRESSURE WENT TO ZERO AFTER TAKEOFF, N1 SPLIT UP  (N913NN)
- [SDR HALA20250326090](https://openairdocs.org/sdr/HALA20250326090), Mar 26, 2025: Airbus A330243. WIRE HARNESS. CHAFED. ETOPS - WHILE WORKING ON #2 ENG T/C'S, FOUND WIRE BUNDLE CHAFING AGAINST PRV UNDER ORANGE WRAP, SEVERAL WIRES FOUND DAMA (N385HA)
- [SDR YENA2024050600703](https://openairdocs.org/sdr/YENA2024050600703), May 4, 2024: Airbus A321271NX. WIRE HARNESS. FAILED. FLT#1620, BOS-LHR. (ETOPS) 'ENG 2 MINOR FAULT, REF TSM 73-31-00-810-811-A, INSPECTED WC08 HARNESS AND FOUND HARNESS DAMA (N4048J)
- [SDR CALA2024032000799](https://openairdocs.org/sdr/CALA2024032000799), Mar 17, 2024: Boeing 737824. WIRE HARNESS. FAILED. RH ENG ABNORMAL INDICATIONS. RETURNED TO GUM. NO EXCEEDANCE NOTED. PERFORMED EEC BITE TEST PER AMM 73-21-00. FOUND FAULT (N35260)
- [SDR JJBA20240314047](https://openairdocs.org/sdr/JJBA20240314047), Mar 12, 2024: Emb EMB145XR. WIRE HARNESS. INOPERATIVE. #2 ENG OIL TEMP REACHED 132 DEGREES DURING CLIMB. OIL TEMP STABILIZED AT 122 DEGREES. REMOVED AND REPLACED RH ENG OIL TE (N14148)
- [SDR 29GA2024031200001](https://openairdocs.org/sdr/29GA2024031200001), Mar 12, 2024: Aerosp ATR72212A. CONNECTOR. LOOSE. #2 ENGINE OVER TORQUE ON TAKEOFF (111.1%) AFTER ABORTED TAKEOFF TQ REMAINED AT 70% WITH PL AT GROUND IDLE. TAKEOFF ABORT (N708SV)
- [SDR ABXA2024031156](https://openairdocs.org/sdr/ABXA2024031156), Mar 11, 2024: Boeing 767338. PLUG. INSTALLED. DURING PUSH BACK ,L ENG HPSOV EICAS STATUS MESSAGE L ENG BLEED LIGHT, L+R DUCT LEAK LIGHTS ALL ILLUMINATED AFTER ENGINE  (N391CM)
- [SDR HALA20240105004](https://openairdocs.org/sdr/HALA20240105004), Jan 5, 2024: Airbus A330243. CONNECTOR. DAMAGED. ATB - ENG 2 EPR MODE FAULT. ACFT LANDED WITHOUT INCIDENT. UPON INSPECTION, FOUND CONTACT DAMAGE AT PROBE CONNECTOR. P20/ (N370HA)
- [SDR 2024FA0000014](https://openairdocs.org/sdr/2024FA0000014), Dec 5, 2023: Bolkms BK117C2. CIRCUIT BOARD. FAULTY. "ENG PA DISC" CAUTION LIGHTS ILLUMINATED ON THE CAD FOR BOTH ENGINES WITH THE TOT INDICATIONS TURNED AMBER. THE PILOT CO (N456TK)
- [SDR NACA2023112100001](https://openairdocs.org/sdr/NACA2023112100001), Nov 21, 2023: Boeing 767323. UNKNOWN. UNKNOWN. RIGHT N2 INDICATION ERRATIC IN CRUISE, FLT SHOWING ZERO% THRUST INPUTS DURING DESCENT THEN INDICATION RETURNED TO NORMAL (N379CX)
- [SDR 3EJA806JS110323](https://openairdocs.org/sdr/3EJA806JS110323), Nov 3, 2023: Cessna 560XL. CONNECTOR. LOOSE. AFTER T/O SMELLED SOMETHING BURNING. SHORTLY AFTER GOT R OIL LO FOLLOWED BY R EEC MANUAL ANNUNCIATOR. NOTED OIL PRESSURE (N806JS)
- [SDR DXTA2023090594580](https://openairdocs.org/sdr/DXTA2023090594580), Sep 4, 2023: Bombdr BD1001A10. WIRE HARNESS. DEFECTIVE. R ENGINE FLAMEOUT AMBER CAS: CLIMBING THRU 15000 FT, AMBER FADEC FAIL ILLUMINATED. AIRCRACT YAWED,, BUT NO REPEATED YAWI (N769QS)
- [SDR ASAA2022122941357](https://openairdocs.org/sdr/ASAA2022122941357), Dec 29, 2022: Boeing 737890. BONDING STRAP. BROKEN. DURING #1 ENG INLET INSPECTION FOUND BROKEN BONDING STRAP UNDER ANTI ICE VALVE. BONDING STRAP HAS BEEN RUBBING ON INLET  (N564AS)
- [SDR 2025FA0000124](https://openairdocs.org/sdr/2025FA0000124), Oct 20, 2022: Snias AS350B3. ELEC CONNECTOR. FOD. VISUAL FOD DAMAGE TO THE AXIAL COMPRESSOR/MODULE M02 ON ARRIEL 2D ENGINE. UNKNOWN DAMAGE TO REST OF ENGINE MODULES PENDI (N302TP)
- [SDR OZCA340076220128](https://openairdocs.org/sdr/OZCA340076220128), Jan 28, 2022: Saab SF340A. WIRE HARNESS. NONE. WHILE INCRISING POWER LEVERS AT START OF T/O ROLL, L ENGINE TORQUE UNCOMANDED TO 120% ( RED LIGHT ON ) REDUCED POWER LEV (N651BC)
- [SDR ASAA2021092536097](https://openairdocs.org/sdr/ASAA2021092536097), Sep 25, 2021: Boeing 737890. WIRE HARNESS. FAULTED. WHILE WORKING TC 78273000 - ENG #1 FAULT CODE 75-10401. VSV SIGNALS DISAGREE (POSITION). SHORT TERM FAULT. DEFER PER TC  (N506AS)
- [SDR ASAA2021092536096](https://openairdocs.org/sdr/ASAA2021092536096), Sep 25, 2021: Boeing 737890. WIRE HARNESS. FAULTED. WHILE WORKING TC 78273000 - ENG #1 FAULT CODE 75-20401. VSV POSITION SIGNALS DISAGREE. SHORT TERM FAULT. DEFER PER TC 78 (N506AS)
- [SDR CALA2021072301162](https://openairdocs.org/sdr/CALA2021072301162), Jul 22, 2021: Boeing 737824. WIRE HARNESS. CHAFED. NO 2 ENGINE IDG FEEDER WIRES CHAFFED AND ARCHING AGAINST MOUNT B RACKET SUPPORT TASK 6227466 REMOVED AND REPLACED NO. 2  (N14219)
- [SDR ASAA2021071135355](https://openairdocs.org/sdr/ASAA2021071135355), Jul 11, 2021: Boeing 737890. WIRE HARNESS. FAULTED. DURING AFTER START CHECKLIST NOTICED DUCT PRESSURE SPLIT WITH LEFT BLEED AIR NEAR ZERO. DISCOVERED LEFT BLEED AIR VALVE  (N506AS)
- [SDR AALA202105209007](https://openairdocs.org/sdr/AALA202105209007), May 19, 2021: Boeing 7878. FEEDER CABLE. CHAFED. AIRCRAFT IN BASE MAINTENANCE: # 2 ENGINE INBOARD SIDE HAS ONE OWER FEEDER CABLE WITH THE OUTER BRAIDED SHIELD CHAFFED TH (N808AN)
- [SDR ASAA2020122533775](https://openairdocs.org/sdr/ASAA2020122533775), Dec 25, 2020: Boeing 737890. WIRE HARNESS. SHORTED. WHILE PERFORMING TC NR 78273000, NR 1 ENGINE HAS LONG TIME FAULT, NR 75-10591 TBV POSITION SIGNAL IS OUT OF RANGE. GROUN (N537AS)
- [SDR ASAA2020112433595](https://openairdocs.org/sdr/ASAA2020112433595), Nov 24, 2020: Boeing 737990ER. WIRE HARNESS. FAULTED. FOLLOW UP TO REPETITIVE REPORTS OF NR 2 ENGINE POPPED BLEED AIR REGULATOR CIRCUIT BREAKER. GROUNDED-YES. REMOVED AND REP (N428AS)
- [SDR UIEA2020102302292](https://openairdocs.org/sdr/UIEA2020102302292), Oct 22, 2020: Boeing 76736N. CONNECTOR. DAMAGED. IN CRUISE AT FL370 LEFT ENGINE FAN VIB INDICATIONS RANGED ERRATICALLY FROM 0.4-5.0 FOR APPROXIMATELY THREE MINUTES. NO A (N1093A)
- [SDR ASAA2020101933391](https://openairdocs.org/sdr/ASAA2020101933391), Oct 19, 2020: Boeing 737890. CONNECTOR. DAMAGED. WHEN SELECTING THE NR 1 ENGINE ANTI-ICE SWITCH TO ON THE BLUE COWL VALVE OPEN LIGHT FLASHED BRIGHT BLUE MOMENTARILY AND  (N538AS)
- [SDR GTIA2020080635301](https://openairdocs.org/sdr/GTIA2020080635301), Aug 3, 2020: Airbus A320232. WIRE HARNESS. FAILED. ENG 1 SENSOR FAULT ECAM AMBER X'S EGT APPEAR IN FLIGHT. AIR RETURN LANDING WHT WAS ABOUT 145.500LBS-REMOVED & REPLACED # (N601NK)
- [SDR UIEA2020021700260](https://openairdocs.org/sdr/UIEA2020021700260), Feb 16, 2020: Boeing 747409. FEEDER CABLE. CHAFED. FOUND #4 ENG FEEDER CABLE (W282-143-110) CHAFING.(<P>IAW SWPM 20-10-11, 20-10-12, 20-30-13, 20-30-11 REV. 72 AND WDM 24- (N780BA)
- [SDR ASAA2019122731739](https://openairdocs.org/sdr/ASAA2019122731739), Dec 27, 2019: Boeing 737890. WIRE HARNESS. DAMAGED. NR 2 ENGINE J9 HARNESS NYLON OUTER SHEATHING TORN NEAR DP0905, APPROX 2 INCHES IN LENGTH. ACFT GROUNDED. OPEN (N536AS)
- [SDR CALA2019112862080](https://openairdocs.org/sdr/CALA2019112862080), Nov 25, 2019: Boeing 777222. CONNECTOR. DIRTY. ENG FUEL VALVE R GROUND REPORTS SMOKE FROM ENG DURING SHUTDWN FIM 73-22-00-810-802-N00 FOLLOWED. GVI C/O OF ENG INLET/EX (N220UA)
- [SDR ASAA2019112031452](https://openairdocs.org/sdr/ASAA2019112031452), Nov 20, 2019: Boeing 737890. WIRE HARNESS. FAULTED. WHILE PERFORMING T/C 78273000 FOUND ECONOMIC TERM FAULTS ON THE #1 ENG, FAULTS 75-10411/75-20411(THE HPTACC POSITION SIG (N588AS)
- [SDR YENA201909020497](https://openairdocs.org/sdr/YENA201909020497), Sep 2, 2019: Emb ERJ190100IGW. WIRE HARNESS. DAMAGED. SUPPLEMENTAL INFORMATION: FLT 860, PHL-BOS. EMERGENCY DECLARED. RETURNED TO FIELD. ENG 2 FIRE INDICATION IN FLIGHT; REF  (N323JB)
- [SDR UIEA2019081505174](https://openairdocs.org/sdr/UIEA2019081505174), Aug 14, 2019: Boeing 767306. CONNECTOR. NOT SEATED. NR 1 ENGINE, DURING START, N2 RISING UP TO 20% ONLY AND PRESSURE MANIFOLD FLUCTUATES AROUND 15-20 PSI. SEATED THE CONNEC (N1427A)
- [SDR AALA201906179022](https://openairdocs.org/sdr/AALA201906179022), Jun 14, 2019: Boeing 75723N. CONNECTOR. DISCONNECTED. AIRCRAFT WAS GROUNDED: PILOT DIVERTED ON ACCOUNT OF MULTIPLE FLIGHT INSTRUMENT FAULTS/ELECTRONIC DISPLAY ISSUES. EMERGEN (N204UW)
- [SDR KBAA2019051600003](https://openairdocs.org/sdr/KBAA2019051600003), May 16, 2019: Cessna 525B. WIRE HARNESS. CHAFED. FOUND RIGHT ENGINE HARNESS SHOWING EVIDENCE OF CHAFING ABOVE THE HYDRAULIC PUMP. (N70VM)
- [SDR KBAA2019051600004](https://openairdocs.org/sdr/KBAA2019051600004), May 16, 2019: Cessna 525B. WIRE HARNESS. CHAFED. FOUND RIGHT ENGINE HARNESS SHOWING EVIDENCE OF CHAFING ABOVE THE HYDRAULIC PUMP. (N85VM)

All 275: https://openairdocs.org/jasc/7297/reports.md

## Other codes in chapter 72

- [JASC 7200](https://openairdocs.org/jasc/7200): Engine (Turbine/Turboprop) (14,712 reports)
- [JASC 7210](https://openairdocs.org/jasc/7210): Turbine Engine Reduction Gear (873 reports)
- [JASC 7220](https://openairdocs.org/jasc/7220): Turbine Engine Air Inlet Section (1,718 reports)
- [JASC 7230](https://openairdocs.org/jasc/7230): Turbine Engine Compressor Section (5,063 reports)
- [JASC 7240](https://openairdocs.org/jasc/7240): Turbine Engine Combustion Section (509 reports)
- [JASC 7250](https://openairdocs.org/jasc/7250): Turbine Section (3,623 reports)
- [JASC 7260](https://openairdocs.org/jasc/7260): Turbine Engine Accessory Drive (1,098 reports)
- [JASC 7261](https://openairdocs.org/jasc/7261): Turbine Engine Oil System (5,122 reports)
- [JASC 7270](https://openairdocs.org/jasc/7270): Turbine Engine Bypass Section (65 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.