Boeing 747-121

Service difficulty reports · 3,030

Newest first. General aviation reporting is voluntary.

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 aircraft_model_key = '747121'
  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 UPS405430Shear Tie · crackedWHILE IN FOR C-CHECK MAINTENANCE REPORTED, 3 SHEAR TIES ARE CRACKED AT BS 2060 BETWEEN STR 48 TO 51 LBL. REPAIRED PER SRM 53-10-04 FIG 41.Feb 12, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405428Support Tube · puncturedWHILE IN FOR C-CHECK MAINTENANCE REPORTED, HOLE IN SUPPORT TUBE AT I/B LEADING EDGE STATION 788. REPLACED SUPPORT IAW SRM 51-30-05 AND MM 20-10-13.Feb 10, 1996 · N691UP · Boeing 747121 · Wing Miscellaneous StructureSDR UPS405426Attach Beam · crackedWHILE IN FOR C-CHECK, MAINTENANCE FOUND AFT PDU ATTACHMENT BEAM NR 3 CRACKED. REPAIRED PER SRM 51-40-03.Feb 10, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405425Rib · crackedWHILE IN FOR C-CHECK, MAINTENANCE FOUND 2 CRACKS IN UPPER CHORD OF L/E RIB AT O/B LEADING EDGE STATION 1534.95, 1462.85, 14653.35, 1309.15, 1237.05, 1195.55 AND 1483.95. REPAIRED PER SRM 57-20-03 FIG 1.Feb 10, 1996 · N691UP · Boeing 747121 · Wing, Rib/BulkheadSDR UPS405424Rib · crackedWHILE IN FOR C-CHECK, MAINTENANCE FOUND CRACK IN UPPER CHORD FLANGE L/E RIB AT I/B LEADING EDGE STATION 802.5, 852.45 AND 886.5. REPAIRED IAW SRM 57-20-03 FIG 1.Feb 10, 1996 · N691UP · Boeing 747121 · Wing, Rib/BulkheadSDR TWRA9609Hyd Line · leakingAFTER GEAR RETRACTION ON DURING CLIMB-OUT FROM MIA. NR 4 HYDRAULIC SYSTEM QUANTITY DECREASED TO 1 GALLON. SYSTEM DEPRESSURIZED, QUANTITY INCREASED TO 2.5 GALLONS UPON GEAR EXTENSION. AIRCRAFT WAS BEING THREE ENGINE FERRIED TO JFK WITH NR 4 ENGINE INOP. OILFeb 10, 1996 · N613FF · Boeing 747121 · Hydraulic System, MainSDR UPS405458Frame Web · crackedWHILE IN AMS FOR C CHECK, MAINTENANCE REPORTED CRACKED FRAME WEB UNDER UPPER CHORD AT B.S. 1840 LBL 6. REPAIRED WEB PER SRM 51-40-02.Feb 9, 1996 · N691UP · Boeing 747121 · Fuselage Main, FrameSDR UPS405419Frame Fitting · corrodedWHILE IN FOR C-CHECK, MAINTENANCE FOUND CORROSION ON FRAME FITTING AT BS 1960 RBL 54. REPLACED FITTING IAW SRM 51-20-01 AND 51-30-02.Feb 9, 1996 · N691UP · Boeing 747121 · Fuselage Main, FrameSDR UPS405548Skin · corrodedWHILE IN AMS FOR C-CHECK, DURING RIVET INSTALLATION FOUND RT WING CORROSION ON LOWER SIDE OF UPPER WING SKIN O/B OF PYLON 4 AT WS 1160. REPAIRED IAW KLM DFX 96-040 ISSUE NR 3 APPROVED PER UPS 747-57-0309.Feb 8, 1996 · N691UP · Boeing 747121 · Wing, Plate/SkinSDR UPS405549Frame · corrodedWHILE IN AMS FOR C-CHECK, FOUND CRACK IN FRAME UPPER CHORD BS 1840 RT BL 32 NEAR EXISTING SPLICE. REMOVED DAMAGE UPPER CHORD AND REPAIRED CHORD ACC TO KLM DFX 96-035, ISSUE NR 4, APPROVED PER UPS EFN 747-53-0751.Feb 7, 1996 · N691UP · Boeing 747121 · Fuselage Main, FrameSDR UPS405554Cargo Track · crackedWHILE IN AMS FOR C-CHECK MAINTENANCE REPORTED, CRACK IN CARGO TRACK LOWER SIDE UNDER END-STOP FITTING, BS 1910 RBL 45. STOP DRILLED CRACK AND REPAIRED TRACK IAW SRM 53-10-05 FIG 2.Feb 6, 1996 · N691UP · Boeing 747121 · Fuselage, Seat/Cargo Attach FittingsSDR UPS405553Shear Tie · crackedWHILE IN AMS FOR C-CHECK MAINTENANCE REPORTED, CRACKS IN FRAME SHEAR TIES AT BS 1900 BETWEEN S-46/45 LT AND S-45/44 LT. REPAIRED SHEAR TIES IAW SRM 53-10-04 FIG 3.Feb 6, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405551Shear Tie · crackedWHILE IN AMS FOR C-CHECK MAINTENANCE REPORTED, SHEAR TIES CRACKED AT FRAME BS 1880 BETWEEN S-48/47 RT S-51/50 RT AND S-45/44 LT. REPAIRED SHEAR TIES IAW SRM 53-10-04 FIG 3.Feb 6, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405516Frame · crackedWHILE IN AMS FOR C-CHECK, MAINTENANCE REPORTED CRACK IN FRAME UPPER FLANGE AT BS 1900, LBL 60 TO 63. STOP DRILLED CRACK AND REPAIRED FRAME UPPER FLANGE ACC TO SRM 51-40-03, FIG 1.Feb 6, 1996 · N691UP · Boeing 747121 · Fuselage Main, FrameSDR UPS405436Intercostal · crackedWHILE IN FOR C-CHECK MAINTENANCE REPORTED, CRACK IN INTERCOSTAL UNDER CARGO TRACK AT LBL 25 BETWEEN BS 1900/1915. STOP DRILLED IAW SRM 51-40-02.Feb 6, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405552Fasteners · looseWHILE IN AMS FOR C-CHECK MAINTENANCE REPORTED, LOOSE FASTENERS IN UPPER WEB OF TORQUE BOX BS 1840 TO 1860 BETWEEN RBL 25 TO 45. REPLACED UPPER WEB AND REPLACED BLIND FASTENERS FOR SOLID FASTENERS PER SRM 51-30-02.Feb 5, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405550Web · dentedWHILE IN AMS FOR C-CHECK MAINTENANCE REPORTED, DENT IN UPPER WEB OF TORQUE BOX BS 1840 TO 1860 RBL 20. REPLACED UPPER WEB AND BLIND FASTENERS FOR SOLID FASTENERS PER SRM 51-30-02.Feb 5, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405510Shear Tie · crackedWHILE IN AMS FOR C-CHECK, MAINTENANCE REPORTED SHEAR TIE CRACKED AT BS 2180 LBL BETWEEN 43 AND 44. REPLACED SHEAR TIE AT BS 2180 LBL ACC SRM 51-20-01 AND 51-30-02.Feb 5, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405402Stringer · scratchedWHILE IN FOR C-CHECK AT AMS MAINTENANCE REPORTED, FOUND SCRATCHES ON O/B TOP FLANGE STR 45 LT STA 800. REPLACED STR 45 FROM STA 790 TO 810 IAW SRM 53-10-03 FIG 1.Feb 3, 1996 · N691UP · Boeing 747121 · Fuselage Main, Longeron/StringerSDR UPS405556Longeron · crackedWHILE IN AMS FOR C-CHECK MAINTENANCE REPORTED, RT BLG WW OVERWING LONGERON CRACKED FROM BS 1480. REPAIRED IAW SRM 53-10-01 FIG 1 AND AS PER BOEING TELEX UPS- AMS -96-0038RE.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Main, Longeron/StringerSDR UPS405520Stringer · corrodedWHILE IN FOR C-CHECK AT AMS, MAINTENANCE REPORTED BULK CARGO COMPARTMENT FOUND CORRODED, STRINGER END AT BS 1965 S-49 LT UNDER STRINGER SPLICE. REMOVED CORROSION FROM STRINGER END ACC SRM 51-10-01, OUT OF LIMITS PER SRM 53-10-01. REPAIRED STRINGER PER SRM 53Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Main, Longeron/StringerSDR UPS405519Frame · crackedWHILE IN FOR C-CHECK AT AMS, MAINTENANCE REPORTED BULK CARGO COMPARTMENT FOUND CRACK IN WEB OF FRAME AROUND BLANKET HOLE AT BS 1960, LBL 4. REPAIRED CRACK IN WEB AT BS 1960 ACC TO SRM 51-40-02.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Main, FrameSDR UPS405508Splice · crackedWHILE IN AMS FOR C-CHECK, MAINTENANCE REPORTED SPLICE FITTING INSIDE LEFT BLG WW ON O/W LONGERON NEARLY CRACKED IN TWO, SUSPECT CORROSION CRACK. REPLACED SPLICE ACC SRM 53-10-02.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405432Bracket · crackedWHILE IN FOR C-CHECK MAINTENANCE REPORTED, CRACK IN INTERCOSTAL BRACKET UNDER FRAME UPPER CHORD AT BS 1840 LBL 5. REPLACED BRACKET PER SRM 51-30-02.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405417Frame Web · crackedWHILE IN FOR C-CHECK, MAINTENANCE FOUND CRACK IN FRAME WEB UNDER UPPER CHORD AT BS 1760 LBL 25. REMOVED DAMAGE AND REPAIRED WEB IAW SRM 51-40-02.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Main, FrameSDR UPS405416Stiffener · crackedWHILE IN FOR C-CHECK, MAINTENANCE FOUND CRACK IN UPPER STIFFENER AND DEFORMATION ON LOWER STIFFENER OF FRAME AT BS 1800 LBL 14, AFT CARGO COMPARTMENT. REPLACED STIFFENERS PER SRM 51-30-02.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405404Shear Tie · crackedWHILE IN FOR C-CHECK AT AMS MAINTENANCE REPORTED, CRACKED SHEAR TIE STA 1820 BETWEEN STR 50 TO 49 RT. REPAIRED AS REQUIRED PER SRM 53-10-04 FIG 3.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405403Shear Tie · crackedWHILE IN FOR C-CHECK AT AMS MAINTENANCE REPORTED, FOUND CRACK IN SHEAR TIE AT B-STA 1800 BETWEEN STR 48 TO 47 LT. REPAIRED AS REQUIRED PER SRM 53-10-04 FIG 3.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405390Stiffeners · crackedWHILE IN FOR C-CHECK, AT AMS, MAINTENANCE REPORTED, FOUND CRACKS IN STIFFENERS OF FRAME WEB UPPER CHORD AT B.S 1780 RBL AND LBL 14, AND B.S. 1740, RBL AND LBL 14. REPLACED STIFFENERS PER SRM 53-30-02.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405388Hinges · corrosionWHILE IN FOR C-CHECK, AT AMS, MAINTENANCE REPORTED, CORROSION ON CEC DR. HINGE FITTINGS STA 820/840, LBL 15. REPLACED FITTINGS PER SRM 51-40-04.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage, Door HingeSDR UPS405387Stringer · corrosionWHILE IN FOR C-CHECK, AT AMS, MAINTENANCE REPORTED, CORROSION IN STR 42 RT, STA 980. OUT OF LIMITS, REPLACED STR 42 I.A.W. SRM 53-10-03, FIG. 1.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Main, Longeron/StringerSDR UPS405386Shear Tie · crackedWHILE IN FOR C-CHECK, AT AMS, MAINTENANCE REPORTED, FOUND CRACK IN SHEAR-TIE AT B.S. 1840 BETWEEN STR 48-47 LT. REPAIRED PER SRM 53-10-04, FIG. 3.Feb 2, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405557Skin · delaminatedWHILE IN AMS FOR C-CHECK MAINTENANCE REPORTED, FOUND DELAMINATION DUE TO CORROSION ON SKIN LAP SPLICE UNDER S-46 RT BETWEEN BS 1700/1720. REMOVED EXISTING REPAIR PER SRM 51-30-02, REMOVED DELAMINATED PART OF OVERLAPPED SKIN BY EXTENDING CUTOUT TO BS 1695 AND Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS405555Shear Tie · crackedWHILE IN AMS FOR C-CHECK MAINTENANCE REPORTED, CRACKS IN SHEAR TIES AT BS 1700 BETWEEN S-51 LT/RT, S-48/47 AND S-47/46 RT. REPAIRED SHEAR TIES AT BS 1700 IAW SRM 53-10-04 FIG 3.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405532Shear Tie · crackedWHILE IN AMS FOR C-CHECK MAINTENANCE REPORTED, FOUND 2 CRACKED SHEAR TIES AT BS 2120 BETWEEN STR 45 TO 50 LBL AND BETWEEN STRINGER 49 TO 50 RBL. REPAIRED PER SRM 53-10-4 FIG 41.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405524Shear Tie · crackedWHILE IN FOR C-CHECK AT AMS, MAINTENANCE REPORTED BULK CARGO COMPARTMENT HAS 2 SHEAR TIES CRACKED AT BS 2040 BETWEEN STR 47 TO 48 AND STR 49 AND 50 LT. REPAIRED SHEAR TIE AT BS 2040 LT ACC TO SRM 53-10-4 FIG 41.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405523Shear Tie · crackedWHILE IN FOR C-CHECK AT AMS, MAINTENANCE REPORTED BULK CARGO COMPARTMENT SHEAR TIE CRACKED AT BS 1940 BETWEEN STR 46 TO 47 LT. REPAIRED SHEAR TIE AT BS 1640 BETWEEN STR 46 TO 47 LT ACC TO SRM 53-10-04 FIG 41.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405522Frame · crackedWHILE IN FOR C-CHECK AT AMS, MAINTENANCE REPORTED BULK CARGO COMPARTMENT FOUND CRACKED WEB AT BS 1960, RBL 2 AROUND BLANKET ATTACHMENT HOLE. REPAIRED FRAME WEB AT BS 1960 RBL 2 AROUND BLANKET ATTACHMENT PER SRM 51-40-02.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, FrameSDR UPS405521Shear Ties · crackedWHILE IN FOR C-CHECK AT AMS, MAINTENANCE REPORTED BULK CARGO COMPARTMENT FOUND 4 SHEAR TIES CRACKED AT BS 1960 BETWEEN S-46 50 LT. REPAIRED CRACKED SHEAR TIES AT BS 1960 ACC TO SRM 53-10-04, FIG 41.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405518Skin · corrodedWHILE IN FOR C-CHECK AT AMS, MAINTENANCE REPORTED RT WING L/E LOWER SKIN AND LOWER CHORD WS 1280 FOUND CORRODED. REPAIRED CHORD AND SKIN ACC KLM DFX 96-027R1 ISSUE NR 3 REPAIR APPROVED PER UPS EFN 747-57-0308.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, Plate/SkinSDR UPS405515Frame · crackedWHILE IN AMS FOR C-CHECK, MAINTENANCE REPORTED CRACK IN OWER FRAME WEB IN BLANKET HOLE AT BS 1780, LBL 40. REMOVED DAMAGED SECTION FROM FRAME WEB AND REPAIRED WEB ACC TO SRM 51-40-02 FIG 1.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, FrameSDR UPS405460Bulkhead · crackedWHILE IN AMS FOR C CHECK, MAINTENANCE REPORTED BULK CARGO COMP. T-CHORD ON BULKHEAD FOR CARGO FLOOR STRUCTURE IS CORRODED AND CRACKED ON HORIZ. FLANGE AT STA 2160, RBL 2, 23, AND 29. REPLACED UPPER CHORD PER SRM 51-30-02.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, BulkheadSDR UPS405459Stringer · crackedWHILE IN AMS FOR C CHECK, MAINTENANCE REPORTED THEY FOUND CORROSION ON STRINGER-END UNDER STRINGER SPLICE AT BS 1740 S45R. CORROSION REMOVED PER SRM 51-10-01. REPLACED STRINGER PER SRM 51-30-02.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, Longeron/StringerSDR UPS405438Stringer · corrosionWHILE IN FOR C-CHECK MAINTENANCE REPORTED, FOUND CRACK DUE TO CORROSION ON STR FLANGE AT BS 1757, S-43 RT. REPLACED STR FROM BS 1740 TO 1780 IAW SRM 51-30-02.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, Longeron/StringerSDR UPS405435Blkhd Web · crackedWHILE IN FOR C-CHECK MAINTENANCE REPORTED, CRACK IN BULKHEAD WEB AT BS 2160 RBL 30. REPAIRED AS PER SRM 51-40-02.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, BulkheadSDR UPS405434Shear Tie · crackedWHILE IN FOR C-CHECK MAINTENANCE REPORTED, CRACK ON SHEAR TIE AT BS 1760 BETWEEN S-51/50 LT. REPAIRED IAW SRM 53-10-04 FIG 3.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405433Shear Tie · crackedWHILE IN FOR C-CHECK MAINTENANCE REPORTED, CRACK ON SHEAR TIES AT BS 1780 BETWEEN S-50/49 LT AND BETWEEN S-43 RT AND DOOR SILL BEAM. REPAIRED IAW SRM 53-10-04 FIG 3.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Miscellaneous StructureSDR UPS405429Blkhd Web · crackedWHILE IN FOR C-CHECK MAINTENANCE REPORTED, CRACK IN BULKHEAD WEB AT BSTA 2160 LBL 35. REPLACED WEB BETWEEN RBL 8 TO LBL 58, ALL TO SRM 51-40-02.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, BulkheadSDR UPS405422Frame Web · crackedWHILE IN FOR C-CHECK, MAINTENANCE FOUND CRACK IN LOWER FRAME WEB AT BS 1620 NEAR S-49/48 RT. REMOVED DAMAGED SECTION OF FRAME WEB AND REPAIRED IAW SRM 51-40-02 FIG 1.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, FrameSDR UPS405421Frame Web · crackedWHILE IN FOR C-CHECK, MAINTENANCE FOUND CRACK IN LOWER FRAME WEB UNDER FRAME UPPER CHORD AT BS 1600 RBL 40. REMOVED DAMAGED SECTION OF FRAME WEB AND REPAIRED IAW SRM 51-40-02 FIG 1.Feb 1, 1996 · N691UP · Boeing 747121 · Fuselage Main, Frame
Back to Boeing 747-121