JASC 4910
Service difficulty reports · 960
Reports filed under 4910 · APU Cowling/Containment, 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 = '4910' 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 = '4910' 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 SCNA20130208056Panel · crackedAPU INLET PLENUM TOP AFT PANEL ASSY CRACKED. VIEWED FROM APU COMPARTMENT. LOCATED & INSTALLED ANGLE ON APU INLET PLENUM TOP AFT PANEL.SDR ASOA20130122058Firewall · crackedDURING C-CHECK, RT EXTERNAL APU FIREWALL CRACKED AT 3 O'CLOCK POSITION. MX PERFORMED REPAIR ON RT EXTERNAL APU FIREWALL AT 3 O'CLOCK POSITION IAW SRM 51-40-02 AND EC5330-02578, REV ORIG. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.SDR 2013FA0000151Bolt · seizedAFT APU MOUNT LINK, BOTTOM ROD END AND BOLT SHOWING SIGNS OF CORROSION. FOUND BOLT SEIZED WITH ROD END BEARING, USE KROIL, AND HEAT GUN TRIED TO REMOVE BOLT SEVERAL TIMES WITH NO SUCCESS. CONTINUED USING KROIL AND USED C-CLAMP TO LOOSEN BOLT, BROKE C CLAMP. SDR UALA2013012100351Duct · damagedAPU AIR INLET ELBOW DUCT FWD FLANGE DAMAGED. MAJOR REPAIR ACCOMPLISHED. REPAIRED APU AIR INLET DUCT IAW ESR11 & SRM 51-70-17 & ECRA 4910-01134.SDR UALA2012122407369Actuator · faultyAPU FAILED TO START 3 ATTEMPTS APU DOOR STAT MESSAGE. REPLACED APU CONTROLLER, NO HELP. LEFT NEW CONTROLLER INSTALLED. FOUND 28 VOLTS AT INLET DOOR CONNECTOR, PINS 5, 6. SUSPECT ACTUATOR AT FAULT. MANUAL OPEN APU INLET DOOR FOR TROUBLESHOOTING ATTEMPTED SSDR ASOA20121210156Firewall · crackedDURING MAINTENANCE INSPECTION THE APU FIREWALL WAS FOUND TO BE CRACKED APPROXIMATELY 1.25" TOTAL LENGTH AT THE 9 O'CLOCK POSITION WITH A RIVET IN THE MIDDLE. MAINTENANCE PEFORMED A DOUBLER REPAIR, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.SDR UALA2012113006882Jam-Nut · looseAPU SWITCH BODY-ASSEMBLY IS LOOSE IN OVERHEAD PANEL. TIGHTENED JAM NUT ON SWITCH.SDR C77A20121124027Firewall · crackedAPU FIREWALL PANEL 351BZ, UPPER FLANGE IS CRACKED 0.200" & LOWER FLANGE IS CRACKED 0.350". X=28868.0. BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS IAW ETD 2012-170-016658-B.SDR ASOA20121118142Firewall · crackedDURING A-CHECK INSPECTION, THE APU FIREWALL WAS FOUND TO BE CRACKED IN 2 LOCATIONS AS VIEWED FROM INSIDE THE AFT RIGGING BAY. MX INSPECTED THE FIREWALL AND FOUND THE REPAIR AT THE 3 O'CLOCK POSITION TO HAVE BEEN PREVIOUSLY REPAIRED WITH A DOUBLER, AND PERFORMSDR C77A20121116013Firewall · crackedAPU FIREWALL PANEL 351BZ, UPPER FLANGE IS CRACKED 0.300" & LOWER FLANGE IS CRACKED 0.280". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS IAW ETD 2012-170-015844.SDR C77A20121106019Firewall · corrodedAPU FIREWALL PANEL 351BZ, UPPER FLANGE IS CRACKED 0.350" & LOWER FLANGE IS CRACKED 0.340". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS.SDR SWAA2012111509402Shroud · crackedCRACK ON APU UPPER SHROUD INLET SIDE. REPLACED SHROUD INLET SIDE ON APU IAW SRM B737-500 51-10-02 ITEM 8 AND REMOVE AND RE-INSTALLED FASTENER AS PER SRM B737-500 51-40-02 AND DRAWING #65-68910.SDR C77A20121024010Firewall · crackedAPU FIREWALL PANEL 351BZ, UPPER FLANGE IS CRACKED 0.450" & LOWER FLANGE IS CRACKED 0.350". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WO 562432-314 IAW ETD 2012-170-014778 AND EA E175-53-310 REV IR WO 642464.SDR UALA2012101605909Actuator · faultyCREW REPORT APU WON'T START. APU INOPERATIVE. REPLACED APU DOOR ACTUATOR PER MM.SDR A6WA20121008545Heat Shield · damagedAPU AFT HEATSHIELD HAS 6 PULLED THRU SCREWS. REPAIRED 6 SCREW HOLES ON APU AFT HEATSHIELD IAW BOMBARDIER REO 601R-49-81-160.SDR C77A20120928023Firewall · crackedAPU FIREWALL PANEL 351BZ P/N 170-50263-401 UPPER FLANGE IS CRACKED 0.280" & LOWER FLANGE IS CRACKED 0.300". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WO 555052-318 IAW ETD 2012-170-013347 AND EA E175-53-306 REV IR WO 628041SDR C77A20120916021Firewall · crackedAPU FIREWALL PANEL 351BZ, PN 170-50263-401 UPPER FLANGE IS CRACKED 0.360" & LOWER FLANGE IS CRACKED 0.280". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WO 551823-322 IAW ETD 2012-170-012686 AND EA E175-53-302, REV IR WO 62238SDR ASAA2012090993004Door · corrodedAPU INLET DOOR PAN HAS CORROSION ON THE UPPER AND LOWER LEDGES. REMOVED CORROSION. ORIGINAL THICKNESS .008, REMAINING .041, AND MATERIAL REMOVED .077 AND FOUND TO BE OUT OF LIMITS IAW SL 737-SL-49-076-B. REPAIRED IAW SL 737-SL-49-076-B AND REO-G15483, REV SDR CWQR20120906048Tube · crackedDURING A SCHEDULED MX CHECK, FOUND THIS TUBE ASSY CRACKED ABOUT HALF WAY AROUND THE FIREWALL FLANGE AT THE WELD.SDR ASAA2012091992918Seal · damagedAPU AIR INLET SEAL COMPRESSED. R & R APU AIR INLET SEAL IAW MM 49-15-11-000 AND 49-15-11-400.SDR SIMA20120827002Firewall · crackedFOUND APU FIREWALL TO HAVE FOUR CRACKS. REMOVED AND REPLACED APU FIREWALL WITH NEW IAW EO EM-53AD-1883. AIRCRAFT RETURNED TO SERVICE.SDR C77A20120830023Firewall · crackedAPU FIREWALL PANEL 351BZ, UPPER FLANGE IS CRACKED 0.320" & LOWER FLANGE IS CRACKED 0.400". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WO 538068-129 IAW ETD 2012-170-011528 AND EA E175-53-292 REV IR WO 609551.SDR C77A20120805028Firewall · crackedAPU FIREWALL PANEL 351BZ, UPPER FLANGE IS CRACKED 0.400" & LOWER FLANGE IS CRACKED 0.360". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS. IAW ETD 2012-170-010408 AND EA E175-53-283 REV IR WO 599670.SDR ASOA20120725124Firewall · crackedDURING C CHECK, FOUND APU FIREWALL CRACKED AT THE RT SIDE 03:00 POSITION. MX REPAIRED THE APU FIREWALL IAW EC 5330-02578, FIG 8. CUT OUT THE DAMAGE AREA AND REPLACED IT WITH A DOUBLER AND FILLER ALL IAW EC 5330-02578.SDR FDEA201207072513Firewall · chafedAPU FIREWALL AFT SIDE RBL 7, 7" UP FROM LOWER FUSELAGE CHAFED REMOVED DAMAGE IAW SRM 51-10-02. REMOVED CHAFE IAW SRM 53-80-08, FOUND TO BE OUT OF LIMITS IAW SRM 53-80-08, FIG 101, DETAIL IV. REPAIRED AREA IAW SRM 53-80-08, REPAIR 2.SDR C77A20120624025Firewall · crackedAPU FIREWALL 351BZ, UPPER FLANGE IS CRACKED 0.400" & LOWER FLANGE IS CRACKED 0.400". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO CRACKING EXISTS IAW EMB 2012-008099 AND EA E175-53-275 REV IR.SDR C77A20120611027Firewall · crackedAPU FIREWALL PANEL 351BZ, PN 170-50263-401 UPPER FLANGE IS CRACKED 0.420" AND THE LWR FLANGE IS CRACKED 0.300". BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS.SDR ASOA20120610043Firewall · crackedAPU FIREWALL CRACKED. MX R & R APU FIREWALL IAW EA5310-01072, REV A. THE ACFT APPROVED FOR RETURN TO SERVICE.SDR ASOA20120604081Stiffener · crackedDURING A-CHECK INSPECTION, APU FIREWALL WAS FOUND TO BE CRACKED AT THE TOP OF THE RT VERTICLE STIFFENER. MX PERFORMED A DOUBLER REPAIR, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.SDR ASOA20120605083Firewall · crackedDURING A-CHECK INSPECTION, THE APU FIREWALL WAS FOUND TO BE CRACKED ON THE RT STIFFENER. MX PERFORMED A DOUBLER REPAIR AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.SDR C77A20120603017Firewall · crackedRT APU FIREWALL 351BZ HAS 0.360" CRACK AT UPPER ANGLE AND 0.480" AT LOWER ANGLE. BOTH CRACKS ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WO 553865-307 IAW ETD 2012-170-007631 AND COMPASS EA E170-53-010, REV IR WO 572571.SDR ASOA20120522039Firewall · crackedDURING C-CHECK APU FIREWALL CRACKED AT RT LOWER MOUNTING SUPPORT AT 5 O'CLOCK POSITION. MX PERFORMED REPAIR TO APU FIREWALL RT LOWER MOUNT IAW EC5330-02578. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.SDR ASOA20120522038Firewall · crackedDURING C-CHECK APU FIREWALL CRACKED AT CENTER LOWER REGION 6 O`CLOCK POSITION. MX PERFORMED REPAIR OF APU FIREWALL AT CENTER LOWER 6 O`CLOCK POSITION IAW EC5330-02578. THE ACFT WAS APPROVED FOR RETURN TO SERVICE.SDR AALA20120514002Filler · corrodedSTATION 1088 AUXILIARY POWER UNIT INLET CUTOUT LOWER FILLER IS CORRODED AT APU INLET OPENING. REMOVED AND INSTALLED LOWER FILLER AT STATION 1088 APU INLET PER AARD 51-10-05.SDR C77A20120519025Firewall · crackedRIGHT APU FIREWALL PANEL 351BZ, PN 170-50263-401 HAS 0.350" CRACK AT UPPER ANGLE AND 0.380" AT LOWER ANGLE. CRACK ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WO 488778-319 IAW ETD 2012-170-006436 AND COMPASS EA E175-53-267, REV IR.SDR C77A20120426020Firewall · crackedAPU FIREWALL PANEL 351BZ, PN 170-65669-003 HAS 0.500" CRACK AT UPPER ANGLE AND 0.480" CRACK AT LOWER ANGLE. CRACK ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WO 482000-316 IAW ETD2012-170-005581 AND COMPASS EA E175-53-263 REV IR.SDR AALA20120402002Stiffener · corrodedCORROSION TO BS 1088 BULKHEAD AUXILIARY POWER UNIT PLENUM. REPLACED LEFT VERTICLE STIFFENER AT APU INLET CUTOUT STATION 1088 AND REPLACED ALL TEMPORARY FASTENERS WITH SOLID RIVETS PER AARD 51-10-05, BOEING DRAWING 148A0924 AND EA B737-53-007645.SDR C77A20120403007Firewall · crackedAPU FIREWALL PANEL 351BZ, HAS 2EA CRACKS .200" AND .700" IN LENGTH IN THE UPPER AND LOWER CORNERS OF THE ANGLE. ROUTED OUT CRACKS AND NDT VERIFIED CRACKS REMOVED IAW SRM 51-10-03 PER ETD2012-170-004404 ON WO 528128-308.SDR CA120330004Handle · cracked(CAN) INERTIAL SEPERATOR HANDLE FOUND STUCK IN THE CLOSED POSITION. INVESTIGATION INTO THIS PROBLEM FOUND CRACKS IN THE INERTIAL SEPERATOR AND LEVER ASSEMBLY.SDR UALA2012031901787Relay · faultyAPU DOOR STATUS MSG ON SHUTDOWN. APU AIR INTAKE DOOR INOP IN OPEN POSITION. APU IS USEABLE. APU INOP AND NOT USEABLE.
REPLACED APU INLET DOOR RELAY (K176) AND APU INLET DOOR OPEN RELAY (K547), OPS TESTED NORMAL. APU OPS NORMAL.SDR C77A20120322020Firewall · crackedAPU FIREWALL PANEL 351BZ HAS 0.5" CRACK AT UPPER AND LOWER I/B ANGLES. CRACK ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WO 468233-319 IAW ETD 2012-170-003356 AND EA E175-53-246 IR WO 531362.SDR DALA1214240994Inlet · contaminatedFLIGHT CREW REPORTED BURNING OIL SMELL IN CABIN WITH APU INLET WET AND APU LEAKING OIL. MAINTENANCE CHECKED APU FOR LEAKS AND OIL CAP SEAL CONDITION. NO LEAKS NOTED. PERFORMED DUCT BURNOUT. CLEANED INLET. AIRCRAFT OKAY FOR SERVICE.SDR UALA2012030701493Intake · damagedTWO HUNG STARTS RIGHT ENG START APU PRESS 20. APU PNEUMATICS DEFERRED PER MEL. -INF- :ON MES MODE APU EGT IS 521 DEG REF FIM 49-11-00 PG 162 BLOCK 12. IF EGT EXCEEDS 500 REPLACE APU. REMOVED APU AND FOUND AIR INTAKE DUCT MATERIAL BLOCKING APU PLENUM. INSP SDR AALA20120228026Plenum · damagedAUXILIARY POWER UNIT PLENUM DAMAGED. SPLICED NEW ANGLE PER EA B737-53-021952.SDR A6WA201240387Heat Shield · crackedAPU FWD HEAT SHIELD CRACKED AT 6 O`CLOCK POSITION. REPAIRED CRACK IAW REO 601R-49-81-003, REV B.SDR C77A201202180016Firewall · crackedAPU FIREWALL PANEL 351BZ CRACKED AT THE END OF THE ANGLE, CRACK IS 0.125" IN LENGTH. CRACK ROUTED OUT AND NDT PERFORMED VERIFYING NO MORE CRACKING EXISTS ON WO 452281-316 IAW ETD 2012-170-001944 AND EA E175-53-237 WO 519388.SDR IPXA12571248Mount · corrodedINSPECTION TYPE:C-CK, APU INLET DUCT EXTERIOR FUSELAGE STA 1825, STR 3R-6R, AFT INLET MOUNTING FLANGE HAS CORROSION AROUND NUTPLATE ATTACH HOLES. REPAIRED FUSELAGE APU INLET STRAP AT BS 1825 BETWEEN STR 3R-6R IAW EA 120061 IR.SDR USAA2012011900004Inlet · dirtyFLIGHT ATTENDANTS REPORTED A CABIN ODOR CAUSING HEADACHES AND NAUSEA THAT OCCURRED AS SOON AS APU BLEED AIR WAS SUPPLIED. MAINTENANCE PERFORMED ECS DECONTAMINATION, WASHED APU INLET AND AIRCRAFT BELLY AND REPLACED FILTERS. NO ODORS NOTED.SDR A6WA201240303Angle · dentedAPU ENCLOSURE DOOR HAS CRACK AT TOP CENTER AT REINFORCEMENT ANGLES AND 2 DENT CORNERS. REPAIRED IAW REO 601R-49-11-070, REV A.SDR CWQR2001101824Angle · crackedDURING A SCHEDULED MX CHECK, ANGLE WAS FOUND CRACKED THROUGH THE FREE FLOATING LEG INTO THE ANGLE RADIUS, THIS CRACK WAS 4.2 INCHES FROM THE END OF THE PART. THE ANGLE WAS REPLACED WITH A NEW PART.
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