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.
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
Run it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
SDR CA190327022Wire Harness · misinstalled(CAN) ON AIRCRAFT 6125, THE CABLE 1EA17D22WHT/1EA18D22GRN OF HARNESS WAS FOUND DAMAGED APPROXIMATELY 4 INCHES FROM CONNECTOR J259. THE CABLE BEND RADIUS WAS NOT RESPECTED WHICH CAUSED AN AOG. THE SAME ISSUE WAS FOUND ON OTHER AIRCRAFT. PRODUCTION DID NOT FOLLOSDR UIEA2019031103513Pin · not reportedNR 2 ENGINE VIBE INDICATION INOP(<P>TRANSFER TO MDDR # 108505 IAW DDG 77-31-01-01 CAT C DUE DATE 21 MAR-19</P><P>LP 1015904-4: REPLACED N2 ACCELEROMETER CONNECTOR 3 PINS. OPS CHECK GOOD IAW SWDM 20-36-03. THIS ACTION CLOSES MDDR 108505, MCC NOTIFIED AND STICKESDR P5CA2019030800033Connector · dirtyDURING CLIMB R ENG FAN VIB REACHED 4.5. L ENG FAN VIB REACHED 1.9, NO OTHER ABNORMAL INDICATIONS.(<P>RT ENG INLET & EXHAUST DETAIL INSP COND. NML. CHK ENG COMPONENT COND CHK NML. NR 1 BEARING ACCELEROMETER INSP & CONNECTOR CONTACT CLEANED, IAW AMM 77-31-05. FASDR P5CA2019030700032Connector · dirtyIN CLIMB RIGHT ENGINE FAN VIB 4.6, LEFT ENGINE FAN VIB 1.5.(<P>PERFORMED RT ENG INLET AND EXHAUST COND CHK NML, MCD FOR CHIPS INSP COND NML. INSP AVM COMPONENT COND NML, CLEAN FAN ACCELEROMETER CONNECTOR. PFIM PIMU, AVM BITE CHK NIL FAULT IAW FIM 71-05 FT 852.SDR CA190315005Wire Harness · damaged(CAN) DURING REFUELING OPERATION, NO.1 ENGINE ITT INCREASED UP TO 790 C AT WHICH THE PILOT REDUCED THE ENGINE TO IDLE POSITION AND THEN ENGINE ITT DROPPED TO 650 C. AFTER FEW SECONDS AGAIN ITT BEGAN TO INCREASE BEYOND 900 C AND CREW DECIDED TO SHUTDOWN THE ENGSDR FDEA201902286504Wire Harness · damagedNR 3 ENGINE HAS HAD A SHIFT IN EGT TRENDS WITH ALL OTHER PARAMETERS STABLE. THIS NORMALLY INDICATES AN IMPENDING EGT INDICATION SYSTEM FAILURE. TESTED NR 3 ENG EGT INDICATION SYSTEM PER E.O. 8-7720-E0330327. R & R LT UPPER, RT UPPER AND LT LOWER HARNESSDR ASAA2019013128002Wire Harness · damagedWHILE ACCOMPLISHING TASK CARD; FOUND J10 HARNESS DAMAGE ON SHEATH OVER LIMITS. GROUNDED - YES. PERFORMED ALT. DEACTIVATION PROCEDURES PER CHAP 5, TABLE 3. REMOVED AND REPLACED J10 HARNESS. REVERSED ALT DEACTIVATION PROCEDURES. OPS TEST GOOD. REF AMM 73-21-06.SDR AALA201902059023Wire Harness · faultyAIRCRAFT WAS GROUNDED: ENGINE 2 EXHAUST GAS TEMPERATURE OVER LIMIT WARNING ON TAKEOFF ROLL NEAR 60 KNOTS, REJECTED TAKEOFF. EXHAUST GAS TEMPERATURE REMAINED IN RED FOR SOMETIME, DATA SHOWED EXHAUST GAS TEMPERATURE WAS 666 DEGREES FOR 60 SECONDS. ENGINE ANTI ICSDR AALA2019020109009Wire Harness · damagedNR 2 ENGINE EXHAUST GAS TEMPERATURE WAS OVER LIMIT, WARNING ON TAKEOFF ROLL NEAR 60 KNOTS. EXHAUST GAS TEMPERATURE REMAINED IN RED FOR SOMETIME, DATA SHOWED EXHAUST GAS TEMPERATURE WAS 666 DEGREES FOR 60 SECONDS. ENGINE ANTI-ICE WAS ON. LANDED WITHOUT FURTHER SDR ASAA2019011827879Wire Harness · failedREF LOG PAGE 12060713 TO ACCOMPLISH EEC BITE TEST FAULT HISTORY BETWEEN 10-20 CYCLES FOR NR 2 ENGINE. FAULT 77-10852 IS STILL ACTIVE. REQUIRES CORRECTION WITHIN 5 DAYS. GROUNDED - YES. REMOVED AND REPLACED NR 2 ENG CJ9 HARNESS, AND NR 2 ENGINE S2 EGT PROBE IAWSDR ASAA2019011527782Wire Harness · chafedDIAGNOSTICS REPORTS NR 1 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. ACCOMPLISHED FMC CDU FAULTS TASK CARD 78273000 FOR ANY EGT SYSTEM FAULTS, NO FAULTS LOGGED IN RECENT SDR 6CBA2019011019183Connector · dirtyPROBLEM: AFTER DEPARTURE FROM KDAL, THE FLIGHT CREW REPORTED "ERRATIC TORQUE CAUTION AND WARNING CAS MESSAGES ASSOCIATED WITH AIRCRAFT SURGES". THE AIRCRAFT DIVERTED TO KGVT AND MADE AN EMERGENCY LANDING. THE FOLLOWING MX WAS ACCOMPLISHED. "PERFORMED TQ TRANSDSDR CALA2018122902679Wire Harness · damagedTAXING INTO GATE RIGHT ENGINE EGT 530C RIGHT ENGINE 700C DIP FIM 77-21-00-810-803-F00 ACP UP TO PAR E (D) REF FIM 77-21-00-810-803-F00 MX FOUND CH B S3 AND S4 READING HIGH, PER STEP (E) (1) (D) TO OPEN DIP FOR 5 DAYS TO CONTINUE TROUBLESHOOTING. TOMC APPROVESSDR HALA2018122400673Terminal · crackedETOPS SIGNIFICANT SYSTEM - #2 EGT INDICATES 122-140 C ALL OTHER ENGINE PARAMETERS NORMAL (FOR REFERENCE #1 EGT 570 C).// FOUND THERMOCOUPLE EGT 4 O'CLOCK POSITION TERMINAL POST CRACKED. REPLACED EGT THERMOCOUPLE PER AMM 77-21-11. KD 12/15/18 OPS CHECK PENDING.SDR ASAA2018121827457Wire Harness · defectiveDIAGNOSTICS REPORTS NR 2 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. GROUNDED - YES. REMOVED THE NR 2 ENGINE CJ9 HARNESS PER AMM 73-21-06/401. INSTALLED NEW CJ9 HARNESS ON ENGINE NR 2. OSDR 2018FA0000484Connector · unsecureLEFT ENGINE TACHOMETER GENERATOR CANNONPLUG VIBRATED LOOSE DUE TO NOT BEING SAFETIED AND FROM VIBRATION OF ENGINE. CANNON PLUG REATTACHED AND SAFETIED. GROUND RAN ENGINE AND OPERATED NORMALLY. SUGGEST VERIFICATION OF CANNON PLUG BEING SAFTIED DURING NORMAL MAISDR UIEA2018102102304Connector · contaminatedAT IDLE THRUST IN DECENT THE LEFT ENGINE N1 RAISE AND FALLS APPROX 10% W/THRUST LEVER AT IDLE. EACH CHANGE IS UNCOMMMAND. PERFORMED INTEGRITY CHECK ON WIRE PLUG ASSOCIATED WITH N1, FOUND DEBRIS ON CONNECTOR. CLEANED PER SWPM 20-60-01, WIRE CHECK PERFORMED PER SDR UIEA2018101502258Connector · unsecureLEFT ENGINE N1 FLUCTUATES FROM IDLE THRUST TO 10 % N1 WHEN THRUST LEVERS ARE AT IDLE DURING DESCENT NORMAL UNCOMMANDED FLUCTUATION 43-53% N1. RESECURED ELECTRICAL CONNECTOR ON N1 SPEED CARD SENSOR REF AMM 77-12-01 AND IDLE RAN OK AT THIS TIME IAW AMM 71-00-00.SDR ASAA2018092546241Wire Harness · intermittentPERFORMED T/C 78273000, FOUND FAULT CODE 77-20862 (THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE) REQUIRES 50 HR RE-CHECK. GROUNDED - YES. PERFORMED #2 ENGINE CURRENT FAULT CHECK. FOUND S3 PROBE SHOWING DASHES. ACCOMPLISHED B737-800 FIM 77-21 TASK 803. TSDR SWAA2018091225077Wire Harness · faultyDIVERSION, RT ENGINE OVERHEAT PASSING FL 280. RED BOX AND INDICATOR SHOWED (+70) LEVELED OFF AT FL290. R&R NR 2 ENGINE EGT J10 HARNESS PER AMM.SDR UIEA2018090901927Connector · dirtyHIGH SPEED REJECTED T/O DUE TO EXCESSIVE VIBRATION NOISE. INITIATED REJET AT 118 KNOTS. VIBRATION INCREASED WITH AIRSPEED INCREASE. LEFT ENGINE VIBES VARIED FROM 0.5 TO 4.7 AFTER VACATING RUNWAY. INSPECTED CORE VIBE ACC WIRES, CLEANED CONNECTOR ON FAN VIBE ACCSDR HALA2018082300399Connector · dirtyETOPS SIGNIFICANT SYSTEM - ON CLIMB OUT THROUGH FL 180 Z11OZ RIGHT ENG EGT FLUCTUATED BETWEEN 140 - 830 ALL THE WAY TO CRUISE FL370 THEN STABILIZED. TS PER FIM 77-21FT-803 CLEANED ALL CONNECTORS AND THERMOCOUPLE PROBES, OPS CHECKED GOOD. EGT STABLE.SDR UIEA2018081001647Connector · looseDURING CLIMB LT ENGINE FAN VIB REACHED 4.1 NO INDICATION OF NOISE, HOWEVER AT CRZ VIB SUSTAINED AT 1.2 TO 1.9. PERFORMED TASK 71-05 FT 856, FOUND CONNECTOR LOOSE AT FWD ACCELEROMETER. RESECURED CONNECTOR IAW AMM 77-31-01. GROUND RAN NR 2 ENGINE IAW AMM 71-000-SDR AWHA2019F00056Wire · chafedWHILE TAXING TO TAKE OFF THE ITT INDICATOR FELL TO ZERO. THE PIC INFORMED CONTROL HE NEEDED TO RETURN TO MAINTENANCE. MAINTENANCE INSPECTED ITT SYSTEM AND FOUND POWER WIRE LEADING TO ITT INDICATOR CHAFED. THE WIRE WAS REPAIRED, SYSTEM CHECKED AND AIRCRAFT RETUSDR HALA0218080800364Connector · looseRIGHT ENGINE EGT INDICATION ERRATIC IN ALL PHASES OF FLIGHT. TROUBLESHOT IAW FIM 77-21FT803. FOUND A LOOSE WIRE CONNECTION AT THE RIGHT ENGINE OTBD EGT THERMOCOUPLE PROBE AT THE 2:30 POSITION. TIGHTENED THE CONNECTION. FLT CREW PERFORMED A HIGH POWER RUN, ESDR RU3A20180724032Wire · looseWHILE IN FLIGHT, CREW OF N12 SHUT DOWN NR 2 ENGINE FOR ITT FLUCTUATIONS AND REDLINING. AFTER ENGINE SHUTDOWN, ITT TEMP WAS STILL MEASURING OVER 900C. ON THE GROUND, TECHNICIAN LOCATED A BAD CRIMP ON A NEW WIRING HARNESS INSTALLED ON THE T5 WIRING HARNESS ON TSDR SWAA2018071023356Wire Harness · faultyAIR TURNBACK, NR 2 ENGINE RAPID INCREASE ON CLIMB OUT WITH A/T. R&R J/O HARNESS PER AMM.SDR RJEF20180622002Electrical Box · contaminatedDURING ENGINE START, THE ENGINE EGT OVERLIMIT DURING START, THE AIRCRAFT RETURNED TO THE GATE. MAINTENANCE PERFORMED A FAULT ANALISYS IAW TSM 77-00-00-810-930-A & 77-20-00-810-801-B, FOUND EXCESS MOISTURE ON THE EGT JUNCTION BOX, DRIED THE EGT JUNCTION BSDR ASAA2018061825122Connector · dirtyFOUND NR 2 ENG, RECENT ECONOMIC FAULT CODE 77-20862, THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE. GROUNDED - YES. ON DEFERRAL. CLEANED AND INSPECTED NR 2 ENGINE T49.5 S3 CONNECTOR IAW AMM 77-21-00-140-801. FOUND NO DEFECTS. T49.5 AND EGT SYSTEM INSPECTSDR ASAA2018061865096Wire Harness · damagedAFTER ENGINE SHUTDOWN, NR 2 EGT WAS BLANK, BUT HAS RED BOX WHERE THE TEMP WOULD BE. ACFT GROUNDED. ACCOMPLISHED AN ENGINE EXCEEDANCE PAGE CHECK IAW AMM 71-00-00-800-804-F00. EXCEEDANCE VALUES WERE, RED AT 950 WITH A PEAK OF 961. FOR 9.4 SECONDS. EEC BITE SDR ASAA2018052524833Connector · dirtyWHILE PERFORMING T/C 78273000 FOUND ENG NR 2 FAULT 77-20862 THE BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE, ECONOMIC FAULT. DEFERRED PER T/C 78273000. GROUNDED - YES. T495 PRE CLEANING TEMPS: S1-198C, S2-163C, S3-159C, S4-195C. CLEANED ALL EGT CONNECTORS SDR ASAA201805174664Connector · dirtyWHILE ACCOMPLISHING T/C 78273000, FOUND A NR 1 ENGINE ECONOMIC FAULT MESSAGE 77-10851, THE BOTTOM RIGHT EGT SIGNAL T495S2 IS OUT OF RANGE. ACFT GROUNDED. ACCOMPLISHED T/C 78273000 ACCOMPLISHED EGT CONNECTOR CLEANING AND INSPECTION IAW AMM 77-21-00-140-801. SDR CA180510012Wire Harness · failed(CAN) FAILED INSULATION CHECK 77-21-00 PARA C. (TC# 20180510012)SDR ASAA2018050224490Connector · looseACCOMP T/C 78273000 NR 2 ENG. RECORDED FAULT CODE 77-10842 THE TOP RIGHT EGT SIGNAL IS OUT OF RANGE. LONG-TIME FAULT. GROUNDED - YES. ACCOMPLISHED FIM 77-21 TASK 801, FOUND LOOSE CONNECTION BETWEEN CJ9 & J9 HARNESSES, SECURED CONNECTOR. REPAIR CONFIRMED GROUNDSDR ASAA2018042524439Connector · dirtyFOUND NR 2 ENGINE FAULT 77-1085 THE BOTTOM RIGHT EGT SIGNAL (T495S2) IS OUT OF RANGE. ACFT GROUNDED. TROUBLESHOT IAW FIM 77-21 TASK 802. NO FAULTS FOUND. NO FAULTS LAST 10 FLT LEGS. AS PRECAUTIONARY ACCOMPLISHED CONNECTOR CLEANING PER B737-800 AMM TASK 77-SDR ASAA2018042124344Connector · dirtyGE DIAGNOSTICS REPORTED THE NR 1 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN, ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT PRI: 2 ETOPS SIGNIFICANT SYSTEM. ACFT GROUNDED. ACCOMPLISHED EGT INDICATION SYSTEM TROUBLESHOOTING AND CONNSDR ASAA2018041924293Connector · dirtyDIAGNOSTICS REPORTED THE NR 1 ENGINE TREND DATA SHOWS A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT PRI 2 ETOPS SIGNIFICANT SYSTEM. ACFT GROUNDED. ACCOMPLISHED EGT INDICATION SYSTEM TROUBLESHOOTING AND CONNECTSDR UIEA2018041900741Wire · brokenRIGHT ENGINE WILL NOT INDICATE RUNNING ON ASM PROGRAM. REPAIRED A BROKEN WIRE IAW WDM 36-11-52.SDR ASAA2018040224093Probe · dirtyDIAGNOSTICS REPORTED THE NR 1 ENGINE TREND DATA SHOWED A SHIFT IN EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. ACFT GROUNDED. ACCOMPLISHED A NR 1 ENGINE EGT CLEANING IAW AMM 77-21-00-140-801. ACCOMPLISHED EGT AND T49.5 SYSTEM INSPECTION IAW AMM 77-21-01-SDR ASAA2018040124092Connector · dirtyDIAGNOSTICS REPORTED THE NR 1 ENGINE TREND DATA SHOWS A SHIFT IN DELTA EGT AND EGT HOT DAY MARGIN ALL OTHER PARAMETERS NORMAL. EGT INDICATION ERRORS ARE SUSPECT. ACFT GROUNDED. ACCOMPLISHED A NR 1 ENGINE EGT CONNECTOR CLEANING IAW AMM 77-21-00-140-801, ALL SDR DATA201803210002Connector · corrodedAFTER TAKEOFF, ON CLIMB OUT, TORQUE INDICATION DROPPED BELOW 1000 AIRCREW DECIDED TO RETURN TO BASE FOR MAINTENANCE. AIRCRAFT LANDED WITHOUT INCIDENT. MAINTENANCE FOUND A FAULTY TORQUE TRANSMITTER CONNECTOR TO BE THE REASON FOR AFFECTED INDICATION AFTER REPLACSDR ASAA2018031623982Connector · dirtyFOUND FAULTS FOR THE NR 2 ENGINE, 77-20862, BOTTOM LEFT EGT SIGNAL OUT OF RANGE. ACFT GROUNDED. TSR 701692 ACCOMPLISHED EGT INDICATION SYSTEM TROUBLESHOOTING AND CONNECTOR CLEANING IAW AMM 77-21-00-140-801. RAN ENGINE FOR 5 MINUTES. ALL READING WERE WELL SDR ASAA2018031023817Wire Harness · failedWHILE PERFORMING TASK CARD 78273000 FMC CDU FAULT FOUND FAULT CODES 75-20802 T25 SIGNAL DISAGREE SHORT TERM FAULT, 75-10822 T25 IS OUT OF RANGE SHORT TERM FAULT, 75-10802 T25 SIGNAL DISAGREE SHORT TERM FAULT. ALSO ACTIVE UPPER RIGHT EGT FAULT CODE 77-10842 ON SDR FDEA201803080631Connector · loosePRIOR TO DESCENT, THE NR 1 ENGINE GAUGE WENT BLANK, FOLLOWED BY YELLOW X. WITHIN 10 SECONDS IT CAME BACK ON SHOWING AN EXCEEDANCE OF 955 DEGREES. THEN THE EGT WENT BACK TO NORMAL. FOLLOWED QRH, PULLED THROTTLE TO IDLE. ABOUT TWO MINUTES LATER RECEIVESDR ASAA2018030323776Wire Harness · out of toleranceFMC REPORTS NR 2 ENGINE HAS ECONOMIC FAULT MSG 77-10842, THE TOP RIGHT EGT SIGNAL (49.5 S1) IS OUT OF RANGE. GROUNDED - YES. VERIFIED ACTIVE UPPER RIGHT EGT FAULT CODE 77-10842 ON ALL FLIGHT LEGS. PERFORMED A T49.5 PROBE AND EGT SYSTEM INSPECTION PER AMM 77-2SDR HALA2018022800061Wire · unsecureATB, EN ROUTE TO DESTINATION, LT ENGINE SYS FAIL ALERT. FLASHING X ON TGT GAUGE. NO CURRENT FAULTS NR 1 EEC FAULT REVIEW SHOWS CODE 772103. TGT CIRCUIT FAULT CH-A/CH-B DISAGREE. REPAIRED WIRE 2A00G20 TO T1040-2 PER SWPM 20-20-01 AND SECURED WIRE CONNECTIONSDR ASAA2018022323696Wire Harness · intermittentWHILE PERFORMING FMC CDU INTERROGATION, THE FOLLOWING FAULT DISPLAYED FOR THE NR 2 ENGINE. MESSAGE 77-20862. BOTTOM LEFT EGT SIGNAL IS OUT OF RANGE (T495S3) FLT LEGS 0, 1, 2, 3. ACFT GROUNDED. NR 2 ENGINE T49.5 S3 PROBE CHANNEL B FAULTING AND SHOWS DASHES OSDR ASAA2018020923512Connector · dirtyWHILE ACCOMPLISHING TASKCARD 78273000 FOUND ECONOMIC FAULT ON NR 1 ENGINE 77-20871 TOP LEFT EGT SIGNAL (T495S4) IS OUT OF RANGE. GROUNDED - YES. PERFORMED NR 1 ENGINE INITIAL EVALUATION FOR FIM 77-21 TASK 804 AND EGT CONNECTOR CLEANING REF AMM 77-21-00. PRE CLSDR ASAA2017123023071Connector · dirtyECONOMIC MSG NR 77-20861 BOTTOM LEFT EGT SIGNAL (T495S3) IS OUT OF RANGE NR 1 ENGINE (FROM T/C 78273000). GROUNDED - YES. PERFORMED NR 1 ENGINE INITIAL EVALUATION FOR FIM 77-21 TASK 803 AND EGT CONNECTOR CLEANING REF AMM 77-21-00. PRE CLEANING VALUES: T495 S1-SDR ASAA2017121122909Connector · looseREF T/C 78273000 # 2 ENG MAINT FAULT 77-20862 (THE BOTTOM LEFT EGT SIGNAL IS OUT OF RANGE) - ECONOMIC FAULT. GROUNDED - YES. PERFORMED AN INPUT MONITORING CHECK OF THE #2 ENGINE T49.5 PROBES PER B737-800 FIM 77-21 TASKS 803 AND 805. FOUND S3 BLANK, WITH AN
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