JASC 7797

Service difficulty reports · 592

Reports filed under 7797 · Engine Indicating System Wiring, newest first.

Query with SQL
duckdb -csv -c "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 = '7797'
  ORDER BY difficulty_date DESC"

Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.

SDR CA000803004Wire · chafed(CAN) DURING TRAINING, FLT INSTRUCTOR NOTICED LEFT ENGINE TEMP GAUGE PEGGED AT HIGH RED LINE. PREVIOUS SCANS OF INSTRUMENTS, BY BOTH STUDENT AND INSTRUCTOR HAD NOT INDICATED ANY PROBLEM. LOWER POWER SETTING TRIED BUT DID NOT DECREASE THE TEMP: PILOT MADE DECJul 18, 2000 · Piper PA44180SDR CA000328017Wire · damaged(CAN) EICAS CREW ALERT SYS MESSAGE FOR THE RT ENGINE SHUT OFF VALVE INOPERATIVE. REPLACED WIRING.Feb 26, 2000 · Boeing 767333SDR 2000ZZZX747Wire · shortedINTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Jan 15, 2000 · N10UM · Bolkms BK117B1SDR 2000ZZZX821Wire · shortedINTERNAL SHORT. REPLACED WITH NEW UNIT, CORRECTED PROBLEM.Oct 29, 1999 · N61LF · Bolkms BK117B1SDR PNSA990902Wire · intermittentDURING CLIMB, LT ENGINE BEGAN TO BYPASS FUEL DUE TO ERRATIC EGT SIGNAL. REPLACED EGT CABLE OPS CHECK OK.Sep 10, 1999 · N640PA · Swrngn SA227ACSDR AU990873Wire · loose(AUS) LEFT ENGINE THERMOCOUPLE WIRE LOOSE AT JUNCTION BOX LOCATED IN INBOARD AFT NACELLE.Aug 30, 1999 · Emb EMB120SDR MWEA99347Wire · brokenDURING TAKEOFF ROLL, THE LEFT ENGINE EGT DROPPED TO 50 DEGREE, DISCONTINUED TAKEOFF. MTC FOUND BROKEN WIRE AT PIN A CONNECTOR R5-11 ON LEFT ENGINE AND RESOLDERED.Jun 14, 1999 · N300ME · Doug DC915SDR VTZA990094Wire Harness · damagedFLT 7190 - IAD-MDT - DURING CLIMB, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO LEFT ENGIEN WOULD NOT MAKE TORQUE. AIRCRAFT RETURNED TO THE GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REPAIRED EXPOSED SHIELDING ON LEFT ENGINE SOFT HARNESS. OPS CMay 22, 1999 · N480UE · Bag JETSTM3201SDR P2EA99130Wire · loosePIT - FLT 701 - ON TAKEOFF ROLL, NR 2 ENGINE EPR DID NOT RESPOND WITH ENGINE RUN-UP. FOUND NR 1 ENGINE EPR AND LANDING GEAR WARNING CIRCUIT BREAKERS POPPED. RESET CIRCUIT BREAKERS AND NR 2 EPR CAME UP. FOUND NR 1 AND NR 2 EPR CIRCUIT BREAKERS REVERSED POSITApr 7, 1999 · N620PC · Boeing 737244SDR VTZA98364Wire · chafedFLT 6445 - IAD-ROC - DURING CRUISE, AIRCRAFT MADE AN UNSCHEDULED LANDING DUE TO RT ENGINE EGT FLUCTUATION. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REPAIRED CHAFED WIRE, OPS CHECK OK. AIRCRAFT WAS RELEASED AND RETURNED TDec 12, 1998 · N489UE · Bag JETSTM3201SDR RAIA981102Wire · failedFLT 7358 - STL - RIGHT ENGINE EGT WENT PAST 1000 DEGREES, ALL OTHER INDICATIONS NORMAL. TORQUE WOULD NOT GO ABOVE 40 PERCENT. RIGHT ENGINE WAS SHUT DOWN. MAINTENANCE REPAIRED BROKEN WIRE TO FUEL BYPASS VALVE. (M)Nov 2, 1998 · N427AM · Bag JETSTM3201SDR RAIA980721Wire · faultyFLT 7378 - STL - LEFT SRL CAPTION ILLUMINATED ON TAKEOFF ROLL. MAINTENANCE REPAIRED WIRE AT T2 SENSOR. (M)Jul 21, 1998 · N433AM · Bag JETSTM3201SDR UF6A980712Wire · looseORD - FLT 5712 - AFTER TAKEOFF DURING CLIMB, NR 1 ITT WENT TO 775 DEGREES CELSIUS. MAINTENANCE REPOSITIONED THERMOCOUPLE HARNESS FROM GROUND. SYSTEM OPS CHECKED GOOD. (M)Jul 16, 1998 · N856AW · Bag ATPSDR MALA976142Wire Harness · failedDURING CLIMBOUT PASSING 11,000 FT, NR 1 PROP RPM WENT TO 0 THEN STARTED TO FLUCUATE. AIRCRAFT RETURNED TO MSP WITHOUT INCIDENT. MAINTENANCE REPLACED HARNESS ON NR 1 ENGINE, OPS CHECK GOOD.Jun 16, 1998 · N832MA · Dhav DHC8102SDR 98ZZZX3207Wire · chafedTHE PILOT MADE A PRECAUTIONARY LANDING AT THE ROCHESTER, NY AIRPORT AS THE RIGHT HAND ENGINE'S CYLINDER HEAD TEMPERATURE BEGAN TO FLUCTUATE AND EVENTUALLY FELL TO ZERO BEFORE LANDING. AN INSPECTION OF THE ENGINE'S BAFFLING, EXHAUST MANIFOLD, AND CYLINDERS REVJun 11, 1998 · N402ME · Cessna 402CSDR C2XA98IA184Wire Harness · failedIAH - FLT 4153 - THE PILOT REPORTED THE NR 2 ENGINE HAD A LOW N1 INDICATION. AN AUTO SHUT DOWN OCCURRED AND THE CREW WAS ABLE TO RE-START THE ENGINE AND LANDED AT IAH WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE ITT 'A' SYSTEM MAIN HARNMay 24, 1998 · N16944 · Emb EMB145SDR WRLA98085Wire Harness · faultyDURNG TAXI, FLT CREW RECEIVED NR 3 ENGINE VIBRATION MONITORING (EVM) COMPRESSOR HIGH ALERT. FLIGHT CREW ELECTED TO RETURN TO GATE. A/C RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE TROUBLESHOOTING FOUND NR 3 ENGINE (EVM) HARNESS FAULTING. PART NOTMay 16, 1998 · N274WA · Doug MD11FSDR CA980504007Wire · broken(CAN) DURING TAKEOFF, BOTH LT AND RT TORQUE INDICATORS FAILED. MAINTENANCE TRACED THE PROBLEM TO A BROKEN WIRE ON INLINE FUSE HOLDER BEHIND INSTRUMENT PANEL. THIS FUSE SUPPLIES AC POWER TO BOTH TORQUE METER CIRCUIT BREAKERS ON THE BREAKER PANEL. WIRE REPAIREApr 22, 1998 · Beech 1900CSDR C2XA98BT004Wire · shortedEWR - FLT 3572 - EN ROUTE PHL-EWR - CREW REPORTED, LOST NR 1 ENGINE EN ROUTE TO EWR. TORQUE AND NP ON NR 1 WENT TO ZERO. TROUBLESHOT ENGINE, SUSPECTED INTERMITTENT TSU SIGNAL. REMOVED AND REPLACED TSU ON NR 1 SIDE. GROUND CHECK GOOD. REQUESTED TEST FLIGHTJan 14, 1998 · N14822 · Aerosp ATR42320SDR RAIA980113Wire Harness · shortedFLT 7138 - STL - LEFT ENGINE TORQUE SURGES IN FLIGHT. MAINTENANCE REPAIRED WIRING ON LEFT ENGINE WIRING HARNESS. (M)Jan 13, 1998 · N424TE · Aerosp ATR42300SDR VTZA97598Wire Harness · failedFLT 6242 - PHF-IAD - ABORTED TAKEOFF DUE TO LEFT ENGINE TORQUE FLUCTUATION. AIRCRAFT RETURNED TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND GROUND RAN AIRCRAFT WITH TTL AND SRL OFF, NO FIX. MAINTENANCE REMOVED AND REPLACED LEFT ENGINE SOFT HAROct 26, 1997 · N473UE · Bag JETSTM3101SDR COMA9710466Wire · shortedLEFT HAND TORQUE INDICATION IS ERRATIC. REPAIRED DAMAGED WIRE UNDER CABIN GALLEY FLOOR.Oct 26, 1997 · N246CA · Emb EMB120RTSDR MALA975629Wire Harness · failedFLT 3405 - ON CLIMB-OUT, THE LEFT TORQUE, FUEL FLOW, AND EGT FLUCTUATION OCCURRED. RETURNED TO MSP. MAINTENANCE REPLACED WIRE HARNESS. GROUND RUNS AND OPS GOOD. (X)Sep 3, 1997 · N859MA · Dhav DHC8102SDR VTZA97368Wire · frayedIAD/EWR - FLT 6276 - DURING TAKEOFF AT 1855 HOURS ON 7-25-97, ABORTED TAKEOFF DUE TO RIGHT ENGINE ONLY REACHED 91.8 PERCENT TORQUE. AIRCRAFT WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND OPENED DMI 04125, MEL 76-2 ON TTL. MAINTENANCE CLOSJul 25, 1997 · N302UE · Jetair JETSTM4101SDR 97UAL900564Wire · damagedNR 2 N1 WAS 10 PERCENT BELOW NR 1 N1 AND NR 3 N1 WITH THE THROTTLE AHEAD OF NR 1 AND NR 3. NR 2 N2 WAS SAME AS NR 1 N2 AND NR 3 N2. FUEL PRESSURE FOR NR 2 WAS FLUCTUATING BETWEEN 100 TO 120 PSI. RETURN TO SFO. *S/D* FOUND DAMAGED WIRES AND CORRODED CONTACJul 19, 1997 · N1834U · Doug DC1010SDR SRAA970715Wire · brokenDURING TAKEOFF ROLL, NR 3 ENGINE EPR WAS INDICATING 1.40 EPR AND DROPPING WITH 98.6 N-1, AT 3,000 FOOT MARKER, INITIATED REJECTED PROCEDURES AT 100 KNOTS. BRAKE TEMP AT 4.0 ON SCALE. FOUND BROKEN WIRE AT EPR INDICATOR AND REPAIRED. OPS CK THE SYS WITH MM 7Jul 18, 1997 · N745SJ · Boeing 747212BSDR MALA975472Wire Harness · failedFLT 2904 - DURING CRUISE FLIGHT, THE RIGHT TEMPERATURE GAUGE FLUCTUATED AND THE RIGHT TORQUE GAUGE FLUCTUATED DURING POWER CHANGE. BOTH WERE INTERMITTENT. FLT 2904 RETURNED TO DTW. MAINTENANCE REMOVED AND REPLACED RIGHT HP BLEED VALVE AND RIGHT ENGINE LEFT Jun 18, 1997 · N115XJ · Saab SF340ASDR CA970609001Wire · broken(CAN) TORQUE INDICATION WENT TO 160 PERCENT. ENGINE AND PROP FUNCTIONING NORMALLY. NO EVIDENCE OF OVER-TORQUE OCCURRING. BROKEN WIRE FOUND AT PLUG 9811 P14 IN THE WING ROOT AREA.Jun 3, 1997 · Dhav DHC8102SDR CA970422026Wire · shorted(CAN) CREW INTENTIONALLY SHUT DOWN LEFT ENGINE. ON ATTEMPTED START THE ENGINE WOULD UNFEATHER AND RPM WOULD INCREASE TO 15 PERCENT BUT FUEL FLOW AND IGNITION WERE NOT EVIDENT. LEFT SPEED SWITCH 10 PERCENT FUNCTION FOR IGNITION AND FUEL FLOW WAS SUSPECT. SWITCHApr 11, 1997 · Swrngn SA226TCSDR SIMA9700791Wire Harness · shortedORD - FLT 4061 - CREW REPORTED, NR 2 ENGINE TQ, ITT, NH, AND NL SURGED CONTINOUSLY DURING FLIGHT. TQ WENT TO AT LEAST 108, ITT 800. CREW SHUT DOWN THE NR 2 ENGINE AND RETURNED TO ORD, AIRCRAFT LANDED WITHOUT INCIDENT. RAI'D NR 2 ENGINE ELECTRICAL WIRE HARNEMar 20, 1997 · N248AT · Aerosp ATR72212SDR VTZA97161Wire · brokenFLT 6565 - IAD-GSO - DURING CRUISE, MADE AN UNSCHEDULED LANDING DUE TO LEFT EGT FLUCTUATION, PLUS OR MINUS 50 DEGREES WITH SRL OFF. AIRCRAFT DIVERT TO LYH AND WENT TO GATE WITH NO FURTHER PROBLEMS. MAINTENANCE INSPECTED AND REPAIRED BROKEN WIRE AT ZONE 2 CANMar 3, 1997 · N483UE · Bag JETSTM3201SDR UPS97222053Wire · chafedINSPECTION TYPE-N/A, CLIMB POWER 250 KTS ENG 2 OVERHEAT LIGHT ON INFLIGHT 10,000 FT. ALL OTHER INDICATIONS NORMAL, ENG 2 SHUTDOWN PER CHECKLIST PROCEDURES. PERFORMED ENG OVERHEAT WARNING T/S PER MM 75-41-00, NO DEFECTS NOTED. FOUND WIRE W9281-E9201-20 CHAFIFeb 14, 1997 · N937UP · Boeing 72725CSDR MWEA97100Wire · brokenDURING TAKEOFF, ENGINE EPR DROPPED FROM 1.86 TO 1.4 PRIOR TO REACHING 60 KTS. ABORTED TAKEOFF AND RETURNED TO GATE. MAINT FOUND BROKEN WIRE BEHIND EPR INDICATOR. REMOVED AND REPLACED WIRE.Feb 3, 1997 · N206ME · Doug DC932SDR RAIA960919Wire · looseSMF - FLT 4755 - SHUTDOWN LEFT ENGINE DUE TO EGT SPIKES TO 700 DEGREES CELSIUS WITH ASSOCIATED TORQUE REDUCTIONS. MAINTENANCE REPAIRED WIRE KR40AL TO LEFT ENGINE EGT RAKE. PERFORMED ENGINE RUNS, OPS CHECK GOOD. (M)Sep 19, 1996 · N973JX · Bag JETSTM3201SDR 9619726633Wire · shortedDURING TAKEOFF AND APPLICATION OF POWER, THE NR 1 EGT FLUCTUATES OFF SCALE. TAKEOFF WAS ABORTED AT 60 KTS AND AIRCRAFT RETURNED TO THE GATE. MAINTENANCE FOUND OPEN WIRE JUST AFT OF THE MAIN GEAR BOX. REPAIR WAS MADE AND ENGINE RUN-UP CHECK WAS NORMAL.Sep 10, 1996 · N633US · Boeing 747251BSDR VTZA96246Wire Harness · chafedFLT NR 6284 - IAD-HPN - DURING CLIMB, RETURNED TO IAD DUE TO LEFT ENGINE EGT FLUCTUATION. AIRCRAFT LANDED AND RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REPAIRED CHAFED HARNESS AND OPS CHECK OK. AIRCRAFT WAS RELEASED AND APPROVED FOR RETURN TO Jul 9, 1996 · N482UE · Bag JETSTM3201SDR RAIA960417Wire · failedSTL - FLT RN 7136 - LOST LEFT ENGINE ITT IN FLIGHT. MAINTENANCE REPLACED LEFT ENGINE ITT CABLE, PERFORMED GROUND RUNS OPERATIONAL CHECKS GOOD. (M)Apr 12, 1996 · N421TE · Aerosp ATR42300SDR RAIA960314Wire · brokenFAT - FLT 4710 - LEFT ENGINE EGT FLUCTUATION IN-FLIGHT. MAINTENANCE REPAIRED BROKEN WIRE NR KR40AL AT BULKHEAD CONNECTOR. OPERATIONAL CHECK GOOD DURING GROUND RUNS. (X)Mar 11, 1996 · N862JX · Bag JETSTM3201SDR RAIA960237Wire Harness · shortedCMI - FLT NR 7437 - LEFT ENGINE BEGAN SURGING DURING TAKEOFF ROLL. MAINTENANCE REPAIRED WIRE ON SHORT LEAD, GROUND RUNS GOOD. (M)Feb 23, 1996 · N427AM · Bag JETSTM3201SDR VTZA96089Wire · failedABE/IAD - FLT 6153 - DURING CLIMB-OUT AT 1540 HRS ON 2-2-96, MADE AN UNSCHEDULED LANDING DUE TO RADICAL EGT FLUX. AIRCRAFT RETURNED TO GATE WITH NO FURTHER INCIDENTS. MAINTENANCE REMOVED AND REPLACED EGT GAUGE, PN 6100144A, AND REPAIRED WIRE ON WIRE HARNESS.Feb 2, 1996 · N484UE · Bag JETSTM3201SDR DL72S960480Wire Harness · burnedA/C LOST N-1 INDICATION, FUEL HEAT LIGHT AND START VALVE LIGHT 'ON'. F/F STUCK ON 4800 PPH, ENGINE SHUTDOWN. FOUND WIRE HARNESS MELTED IN FWD PYLON SPLICED IN NEW ENG WIRING AT PLUGS D374J, D356J, D350J, D386P AND D362J, PERFORMED CK OUT PER PFHB AND CKS GOOJan 1, 1996 · N408DA · Boeing 727232SDR UPS204882Wire · damagedSUPPLEMENTAL MRR: CREW REPORTED AT TOC AS THRUST WAS REDUCED, NR 2 ENG O/HEAT LIGHT ON OVERHEAD PANEL FLICKERED FOR 5 SECONDS AND WENT OUT. AT THE TOD DESCENT DURING THRUST REDUCTION, NR 2 ENG O/HEAT LIGHT CAME ON STEADY ILLUMINATING THE MASTER ENGINE O/HEATOct 25, 1995 · N924UP · Boeing 72731C
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