JASC 4980
Service difficulty reports · 165
Reports filed under 4980 · APU Exhaust System, 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 = '4980' 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 = '4980' 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 WRLA97089Door Actuator · failedDURING TAXI FOR TAKEOFF, FLIGHT CREW RECEIVED A 'APU INLET/EXHAUST DOOR ALERT', FAIL TO CLOSE INDICATION. DUE TO MEL RESTRICTIONS, FLIGHT CREW ELECTED TO RETURN TO GATE FOR MAINTENANCE ACTION. AIRCRAFT RETURNED TO GATE WITHOUT FURTHER INCIDENT. MAINTENANCE SDR ABXA9701296Exhaust Duct · crackedDURING C-CHECK, FOUND A CRACK IN THE APU CASE NEXT TO THE THERMOSTAT BOSS, VISIBLE LOOKING FORWARD THROGH THE EXHAUST DUCT BELOW THE FLANGE. *S/D* REPLACED THE EXHAUST DUCT FLANGE IAW GARRET OHM 49-22-05.SDR 97UAL900267Exhaust Shroud · smokingMECHANIC SAW SMOKE AROUND APU EXHAUST SHROUD AREA. AIRCRAFT INSPECTED IN AREA OF APU EXHAUST SHROUD. SMOKE DETERMINED TO BE BURN OFF OF RESIDUAL GLYCOL.SDR 96UAL900688Duct · failedAPU FIRE WARNING LIGHT AND BELL ACTUATED DURING TAXI. CAPTAIN DID NOT USE FIRE BOTTLES, WARNING INDICATORS DEACTIVATED WITH NO SECONDARIES. AIRCRAFT RETURNED TO GATE DEPLANED PASSENGERS. *S/D* THE APU TAILPIPE WAS REMOVED DUE TO GROSS DISTORTION OF THE INNSDR P5CA9600404Exhaust Duct · crackedCRACK IN THE APU EXHAUST DUCT AT 12:00 O'CLOCK POSITION. WELDED CRACK PER BAC 5975.SDR GTIA96NK173Exhaust Duct · crackedTAIL COMPARTMENT TEMP HIGH LIGHT ILLUMINATES WITHIN 3-5 MINUTES AFTER PUTTING APU AIR ON. LIGHT GOES OUT 30-60 SEC AFTER TURNING APU AIR OFF. CLEANED TAIL TEMP SENSOR, NO HELP. DEFERRED APU PER MEL 49-1 CAT C. LOG PAGE 5218 - REMOVED AND REPLACED APU EXHAUSDR 96ZZZX2243Exhaust Pipe · wornLARGE DISTORTION IN PLENUM EXHAUST PIPE, 12 O'CLOCK POSITION, DID NOT EXCEED MFG LIMIT OF .50 INCH. APU REMOVED FOR REPAIR AND 2,100 HOUR OVERHAUL C/W. SUSPECT CAUSE, HOT AIR LEAK INSIDE OF PLENUM. TEAR DOWN REVEALED CRACK IN TURBINE NOZZLE.SDR P9IA096002Exhaust Clamp · failedDURING GROUND OPERATION OF APU, THE FIRE WARNING ACTIVATED AND THE APU AUTO SHUT DOWN WITH SMOKE COMING OUT OF THE APU SHROUD. INSPECTION FOUND CLAMP BROKEN FOR INNER EXHAUST DUCT AT SPOT WELD. INSPECTED APU, NO OTHER DAMAGE NOTED. REPLACED O-RING AND CLAMPSDR 95ZZZX6451Clamp · failedDURING POST-FLIGHT OF APU OIL, FOUND MANY SMALL SECTIONS OF SS FOIL EMBOSSED LINER LAYING ON FLOOR OF APU ENCL. REMOVED COVER ASSY & FND CLAMP ASSY THAT HOLDS SURGE VALVE EXHAUST AIR TO EXH DUCT BROKEN AT WELD ON THE CLAMP. THIS CAUSED HOT EXHAUST GASSES TO SDR 95FDEA01534Muffler · crackedAPU EXHAUST ACOUSTIC INTERNAL LINER IS CRACKING AND DETERIORATED THROUGHOUT DUCT, PIECES AS LARGE AS 4 INCH BY 10 INCH ARE MISSING. REMOVED AND REPLACED APU EXHAUST MUFFLER AS PER AMM 49-81-15.SDR P5CA9500792Liner · crackedCRACKED APU EXHAUST PIPE INNER LINER. REMOVED AND REPLACED LINER IAW MM 49-81-03.SDR P5CA9500761Exhaust Liner · crackedSEVERAL CRACKS APU EXHAUST LINER. REPLACED LINER.SDR P5CA9500672Exhaust Bellow · crackedAPU EXHAUST BELLOW BENT AND CRACKED. REPLACED BELLOW.SDR P5CA9500090Exhaust · crackedAPU EXHAUST AFT END AT 12 O'CLOCK IS CRACKED. TRIMMED AND SMOOTHED THE CRACK PER BOEING SRM 51-10-01.SDR 95ZZZX2837Clamp · crackedWHILE REMOVING THE APU FROM THE AIRCRAFT, MAINTENANCE PERSONNEL DISCOVERED THE APU EXHAUST NOZZLE CLAMP CRACKED AT THE WELD AREA WHERE THE SURGE VALVE EXHAUST PORT IS MOUNTED. THIS IS THE FIRST ONE FOUND CRACKED. MOST HAVE BEEN BENT IN THIS AREA. SUSPECT CA
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