# Service difficulty reports: Boeing 747-46NF A list on [Boeing 747-46NF](https://openairdocs.org/model/boeing-747-46nf.md). Newest first. General aviation reporting is voluntary. Page 1 of 22 · 1,079 reports - [SDR UIEA2026091000864](https://openairdocs.org/sdr/UIEA2026091000864.md): Coalescer Bag · odor · Sep 10, 2026 · N453PA · Boeing 74746NF · Humidity Control System > ELECTRICAL BURNING ODOR IN DESCENT. R & R WATER SEPARATOR COALESCER BAG ON PACK 1, 2, & 3, AND PERFORMED CH 5 INSP IAW AMM 21-51-05. OPS CHKD OK. - [SDR UIEA2026090500853](https://openairdocs.org/sdr/UIEA2026090500853.md): Shutoff Valve · faulted · Sep 5, 2026 · N451PA · Boeing 74746NF · Pneumatic Distribution System > BLEED 3 EICAS DURING CLIMB. REMOVED AND REPLACED ENG 3 PRV, OPS CHECK NORMAL AND ENG RUN OK IAW AMM 36-11-19, AMM 71-00-00 AND IPC 36-11-05-02A. - [SDR UIEA2026081400759](https://openairdocs.org/sdr/UIEA2026081400759.md): Control Module · faulted · Aug 13, 2026 · N452PA · Boeing 74746NF · Landing Gear Position and Warning > GEAR DISAGREE MESSAGE. LANDING GEAR LEVER WOULD NOT GO UP AFTER T/O. LANDING GEAR STAYED IN DOWN POSITION. RETURNED TO AIRPORT.: TRANSFER TO DMI 257550 PER MEL 32-30-01 CAT C. LANDING GEAR CONTROL MODULE WAS REPLACED. OPS CHECK PERFORMED. OPS CHECKED GOOD IA - [SDR UIEA2026072400646](https://openairdocs.org/sdr/UIEA2026072400646.md): Generator · faulted · Jul 24, 2026 · N454PA · Boeing 74746NF · AC Generator-Alternator > CREW SET UP IAW DDG 49-11-01. CREW ISOLATED THAT LT PNEUMATIC & RT UTILITY. CREW STARTED NR 4 ENG. DURING START, AT THE TIME, NR 4 ENG GOING TO TAKE OVER POWER BY GEN FROM ENGINE. THE ACFT STARTED TO SHED LOAD POWER. THEN LT SIDE WHICH IS POWERED BY LT EXT PO - [SDR UIEA2026072400654](https://openairdocs.org/sdr/UIEA2026072400654.md): Radar · faulted · Jul 24, 2026 · N454PA · Boeing 74746NF · Weather Radar System > RADAR INTERMITTENT AND INAUCCURATE, NOT PAINTING ANY WEATHER. PERFORMED OPERATIONAL TEST PER AMM 33-43-00/501. NO ISSUES NOTED AT THE TIME. - [SDR UIEA2026071300593](https://openairdocs.org/sdr/UIEA2026071300593.md): Circuit Card · faulted · Jul 12, 2026 · N450PA · Boeing 74746NF · Fire Detection > MAIN DECK FIRE WARNING - NO EICAS MSG. SWAPED THE A4 WITH A29 CIRCURT CARD & PFMD GND TEST,TEST PASSED IAW AMM 26-10-01 (NOW D00132 IN A4 POSITION,D00883 IN A29 POSITION) - [SDR UIEA2026063000563](https://openairdocs.org/sdr/UIEA2026063000563.md): Impeller · damaged · Jun 30, 2026 · N453PA · Boeing 74746NF · Fuel Boost Pump > FUEL IMBALANCE 2 - 3 STATUS MESSAGE. ACCOMPLISHED FIM 28-22 TASK 925, NO FINDING. TANK DIVE ACCOMPLISHED, FOUND A JET LEAK FROM OVRD PUMP DISCH CHECK VLV. R/R DISCHARGE CHECK VALVE PER AMM 28-31-11/401, CHECK OK. FURTHER T/S NEEDED. DETAILS ARE LISTED LP 209 - [SDR UIEA2026041900218](https://openairdocs.org/sdr/UIEA2026041900218.md): Oil System · leaking · Apr 18, 2026 · N454PA · Boeing 74746NF · Turbine Engine Oil System > ENG #1 OIL QTY DROPPED TO 1 AFTER T/O, FOLLOW WITHIN 20 MINS BY ENG OIL PRESS ADVISORY MSG. QRH FOLLOWED, AND ENG #1 WAS SHUT DOWN. WITHIN 15 MINS OF ENG SHUTDOWN, HYD PRESS SYSTEM 1 CAUTION MSG, QRH FOLLOWED HYD SYSTEM 1 SHUT DOWN. REMOVED AND REPLACED - [SDR UIEA2026040200120](https://openairdocs.org/sdr/UIEA2026040200120.md): Strap · worn · Mar 29, 2026 · N452PA · Boeing 74746NF · Fuselage Main, Frame > FOUND HOLE WEAR 1 EA AT B52231 S-17L -8 REPAIR FRAME STRAP(

REMOVED REPAIR FRAME STRAP AT B52231 S-17L AS PER SRM 51-40-02. FABRICATED -8 REPAIR FRAME STRAP AT B52231 S-17L AS PER BOEING SR SPI-TLS-26-0017-03B. INSTALLED -8 REPAIR FRAME STRAP AT BS52231 S-17 - [SDR UIEA2026040200121](https://openairdocs.org/sdr/UIEA2026040200121.md): Bulkhead Web · cracked · Mar 29, 2026 · N452PA · Boeing 74746NF · Fuselage Main, Bulkhead > CRACK SIGNAL INDICATION AT L/H AFT INNER CHORD IN ACCORDANCE WITH EO 4453C127 OPEN HOLE HEEL INSPECTION (2EA) REMOVED HI-LOK 10 EA TO PERFORM S.B 747 53A2467 & 53A2427 AT B.S 2598 L/H LOWER BULKHEAD AS PER SPI-TLS-26-0016. PERFORMED OPEN HOLE HFEC INSP AT STA - [SDR UIEA2026040100118](https://openairdocs.org/sdr/UIEA2026040100118.md): Keelbeam · corroded · Mar 29, 2026 · N452PA · Boeing 74746NF · Fuselage Main, Keel > LOWER FUSELAGE STA 1460 KEELBEAM STRUCTURE CORROSION (BETWEEN BOTH BODY L/G DOOR) REMOVED BOTH PANEL AT LWR FUSELAGE BS 1460 KEEL BEAM IAW SRM 51-40-02. PERFORMED BLEND OUT CORROSION AREA AT LWR FUSELAGE BS 1460 KEELBEAM IAW SRM 51-10-02. ACCOMPLISHED FPI IN - [SDR UIEA2026022600069](https://openairdocs.org/sdr/UIEA2026022600069.md): Valve · inoperative · Feb 26, 2026 · N450PA · Boeing 74746NF · Air Distribution System > EQUIPMENT COOLING MESSAGE. SUSPECT FLT DECK FLOW REG VALVE INOP. OPENED FLOOR PANEL AND MANUALLY MOVED VALVE TO OPEN. TRANSFER TO DMI 248403 PER MEL 21-61-13 CAT C. R & R FD FLOW REG VALVE AS PER AMM 21-61-09 & AIPC 21-21-06. OPS AND LEAK CHK GOOD. DMI 24840 - [SDR UIEA2026021600053](https://openairdocs.org/sdr/UIEA2026021600053.md): Shear Tie · cracked · Feb 15, 2026 · N454PA · Boeing 74746NF · Fuselage Internal Mounting Structure > FOUND CRACK ON SHEAR TIE AT BS 1000 RBL 33.99. REMOVED DAMAGE SHEAR TIE IAW SRM 51-40-02-0G-0 REV 115. INSTALL NEW SHEAR TIE IAW EI T2026A53M-210 REV 0 AND EO 4453C024 PART 8 REV 4. ACCOMPLISH EI T2026A53M-210 REV 1. JOB COMPLETED AND CONDITION CHECK NORM - [SDR UIEA2026021600054](https://openairdocs.org/sdr/UIEA2026021600054.md): Web · corroded · Feb 15, 2026 · N454PA · Boeing 74746NF · Wing Main, Frame Structure > FOUND RT WING INBD FORE FLAP INTERNAL INBD SIDE WEB CRACKED. REMOVED DAMAGED WEB IAW SRM 51-40-02-0G-0 REV 105. 2. INSTALL A NEW WEB IAW EI T2026A57M-236 REV 0 AND DWG 65B39038 SH7 REV -. ACCOMPLISH EI T2026A57M-236 REV 1. JOB COMPLETED AND CONDITION CHECK N - [SDR UIEA2026021600055](https://openairdocs.org/sdr/UIEA2026021600055.md): Seat Track · corroded · Feb 15, 2026 · N454PA · Boeing 74746NF · Fuselage, Seat/Cargo Attach Fittings > FOUND M/D CGO SUBSTITUTE SEAT TRACK CRACK AT STA 1633 RBL 75.92. ACCOMPLISHED WORK SHEET 60030 AND IAW SRM 53-00-52-2R-13 REV 105 AND DWG 65B38751 SH62 REV A,SH75 REV -. JOB COMPLETED. - [SDR UIEA2026021600056](https://openairdocs.org/sdr/UIEA2026021600056.md): Seat Track · corroded · Feb 15, 2026 · N454PA · Boeing 74746NF · Fuselage, Seat/Cargo Attach Fittings > CRACK - ON M/D FLOOR SUBSTITUTE SEAT TRACK AT STA 2070 RBL 75.92. ACCOMPLISHED WORK SHEET 60035 AND IAW SRM 53-00-52-2R-13 REV 105. JOB COMPLETED. - [SDR UIEA2026021600057](https://openairdocs.org/sdr/UIEA2026021600057.md): Seat Track · corroded · Feb 15, 2026 · N454PA · Boeing 74746NF · Fuselage, Seat/Cargo Attach Fittings > FOUND M/D CARGO SUBSTITUTE SEAT TRACK CRACKED AT BS 1507, RBL 75.92. ACCOMPLISHED WORK SHEET NO: 60029 IAW SRM 53-00-52-2R-13 REV 105 AND DWG 65B38251 SH62 REV A & SH75 REV-. JOB COMPLETED. - [SDR UIEA2026021600058](https://openairdocs.org/sdr/UIEA2026021600058.md): Seat Track · corroded · Feb 15, 2026 · N454PA · Boeing 74746NF · Fuselage, Seat/Cargo Attach Fittings > CORROSION ON M/D SEAT TRACK BS 700, RBL 33.99. PERFORM EI T2026A53M-256 REV 0 AND W/S NO: 60039 (SRM 53-00-52-2R-6 REV 105). ACCOMPLISH EI NO: T2026A53M-216 REV 1. 3. JOB COMPLETED AND CONDITION CHECK NORMAL. - [SDR UIEA2026021600059](https://openairdocs.org/sdr/UIEA2026021600059.md): Cargo Track · corroded · Feb 15, 2026 · N454PA · Boeing 74746NF · Fuselage, Seat/Cargo Attach Fittings > FOUND M/D CARGO TRACK CORRODED AT BS 1519, RBL 11.33. REMOVED AFFECTED FASTENERS TO GET ACCESS IAW SRM 51-40-02-0G-0 REV 105. REPAIR DAMAGE AREA IAW EI T2026A53M-227 REV 0 AND W/S 60036 (SRM 53-00-52-2R-12 REV 105). INSTALL ACCESS FASTENERS IAW SRM 51-40-0 - [SDR UIEA2026021600060](https://openairdocs.org/sdr/UIEA2026021600060.md): Door Sill · not reported · Feb 15, 2026 · N454PA · Boeing 74746NF · Fuselage Main, Structure > FWD LWR CARGO DOOR SURROUND LWR MAIN SILL WEB & OTR CHORD, LATCH SUPPORT FITTING PART 1 TIME LIMITED REPAIR STA 580 REQUIRES EO PART 2 HFEC INSPECTION & EO PART 3 REQUIRES A SECOND TIME LIMITED REPAIR & EO PART 4 PERMANENT REPAIR ALL WITHIN 10 CALENDAR DAYS PE - [SDR UIEA2026021600061](https://openairdocs.org/sdr/UIEA2026021600061.md): Actuator · faulted · Feb 15, 2026 · N454PA · Boeing 74746NF · Landing Gear Actuator > FND FUNCTION FAIL AT R/H WLG ALTERNATE EXTENSION ROTARY ACTUATOR. REPLACED RT WLG ALTERNATE ROTARY ACTUATOR IAW AMM 32-36-01-004-001 REV 115 & AMM 32-36-01-404-009 REV 115 & STEP A TO F(4). 2. PERFORMED OPERATION TEST IAW AMM 32-36-01-404-009 REV 115 STEP F( - [SDR UIEA2026020500030](https://openairdocs.org/sdr/UIEA2026020500030.md): Winglet · damaged · Feb 7, 2026 · N451PA · Boeing 74746NF · Wing Main, Frame Structure > RT WINGLET TIP T/E CORNER FOUND WORN. RT WINGLET TIP T/E CORNER LIGTHNING STRIKE DAMAGED AREAS REPAIRED IAW RI-57-30-18090 REV A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025111001295](https://openairdocs.org/sdr/UIEA2025111001295.md): Tire · failed · Nov 11, 2025 · N450PA · Boeing 74746NF · Tire > #8 MLG BLEW OUT TOWER REPORTED SMOKE & TIRE DEBRIS ON RUNWAY. R & R NR 8 MWA IAW AMM 32-45-01 & IPC 32-45-03-02. C/W BLOWN TIRE CHAP 5 INSP IAW AMM 05-51-25. R & R NR 7 MWA IAW AMM 32-45-01. R & R NLG STEERING CYLINDER IAW AMM 32-53-11. OPS CHKD NORMAL. NO - [SDR UIEA2025110701293](https://openairdocs.org/sdr/UIEA2025110701293.md): Wheel · damaged · Nov 7, 2025 · N450PA · Boeing 74746NF · Wheel/Ski/Float > NR 3 MAIN TIRE DAMAGED. REPLACED NR 3 AND 4 MLG WHEEL ASSY IAW AMM 32-45-01/401. PRESS & LEAK CHK OK. - [SDR UIEA2025102801282](https://openairdocs.org/sdr/UIEA2025102801282.md): Fire Warning · false activation · Oct 28, 2025 · N454PA · Boeing 74746NF · Fire Detection > CREW REPORTED DURING CRUISE, CARGO FIRE MAIN DECK ZONE 11 EICAS MSG. FOUND MESSAGE 26330/26331 NOT ACTIVE. CREW CONFIRMED NO ACTUAL SMOKE/FIRE ON MAIN DECK. CARGO CONSISTS OF FLOWERS. SMOKE DETECTOR TEST PASSED PER AMM 26-14-01. NO FURTHER DEFECTS NOTED - [SDR UIEA2025102601281](https://openairdocs.org/sdr/UIEA2025102601281.md): Exhaust Fan · odor · Oct 26, 2025 · N454PA · Boeing 74746NF · Air Distribution Fan > SMOKE SMELL IN COCKPIT. R & R COOLING EXHAUST FAN PER AMM 21-58-01. OPS CHK NORMAL. - [SDR UIEA2025101001267](https://openairdocs.org/sdr/UIEA2025101001267.md): Indication Sys · faulted · Oct 10, 2025 · N450PA · Boeing 74746NF · Hydraulic Indicating System > FLIGHT CREW REPORTED NR 4 HYD QTY INDICATION ERRATIC IN FLIGHT. PERFORMED WIRING CHECK BETWEEN DW 3112C PIN 2 AND DM7838EA PIN G15, DM 7838BA PIN D15, CHECKS NORMAL. R & R NR 4 HYD IM AND GROUND TEST PASS IAW AMM 29-11-42, WDM 27-62-11 & AIPC 29-11-42-01B, AP - [SDR UIEA2025090401161](https://openairdocs.org/sdr/UIEA2025090401161.md): Actuator · faulted · Sep 4, 2025 · N452PA · Boeing 74746NF · Pressure Regulator/Outflow Valve > OUTFLOW VALVE R EICAS MSG. REMOVED & REPLACED RT OUTFLOW VALVE ACTUATOR ASSY, RT ICU & DIODE IAW AMM 21-31-10/401, 21-31-07/401, SWPM 20-40, AIPC 21-31-01-01 & AIPC 21-31-10-01. OPS CHKD OK. - [SDR UIEA2025082501136](https://openairdocs.org/sdr/UIEA2025082501136.md): Skin · corroded · Aug 25, 2025 · N451PA · Boeing 74746NF · Fuselage Main, Plate/Skin > CORROSION - SKIN, LH AFT LWR FUSELAGE SKIN STA 1732, S42L(

1) REPAIR THE DAMAGE IAW SRM 53-00-01-2R-1 REV 104 & W/S 50620. 2) CONDITION CHK NORMAL AND JOB COMPLETED

) - [SDR UIEA2025082501137](https://openairdocs.org/sdr/UIEA2025082501137.md): Hinge Fitting · cracked · Aug 25, 2025 · N451PA · Boeing 74746NF · Wing, Control Surface Attach Fittings > CRACK - FITTING, INBD LWR SIDE OF LH WING #6 SPOILER MID HINGE FITTING(

1) REPAIRED DAMAGE AREA IAW W/S 50588 & SRM 57-51-13-2R-1 REV 104. 2) CONDITION CHK NORMAL AND JOB COMPLETED.

) - [SDR UIEA2025082501138](https://openairdocs.org/sdr/UIEA2025082501138.md): Not Entered · not reported · Aug 25, 2025 · N451PA · Boeing 74746NF · Standard Practices/Structures > CMR REQUEST CLARIFICATION FUSELAGE FASTENERS TYPE ON RH BODY SKIN NEAR STA 440, S26R(

1) ACCOMPLISHED EI T2025A53M-1774 REV 1. 2) JOB COMPLETED AND CONDITION CHECK NORMAL

) - [SDR UIEA2025082501139](https://openairdocs.org/sdr/UIEA2025082501139.md): Skin · corroded · Aug 25, 2025 · N451PA · Boeing 74746NF · Fuselage Main, Plate/Skin > CORROSION ON LH FUSELAGE OUTER SKIN NEAR STA 1700, S42L(

1) REMOVED FASTENERS IAW SRM 51-40-02-0G-0 REV 104. 2) REPAIR DAMAGE SKIN IAW EI T2025A53M-1733 REV 104. 3) JOB COMPLETED AND CONDITION CHK NORMAL

) - [SDR UIEA2025081001118](https://openairdocs.org/sdr/UIEA2025081001118.md): Tire · failed · Aug 10, 2025 · N450PA · Boeing 74746NF · Tire > AT LANDING, #1 TIRE BLEW. FLAT SPOT FOUND. CREW HAD AUTOBRAKE SET AT 4 MINIMUM LEVEL DUE TO NO AUTOSPOILER AND BRAKE ROD. ONCE DISENGAGED, CREW MANUAL BRAKE DID NOT EXCEED LEVEL 2. A/C TAXIED & TOWED IN WITH BLOWN TIRE. R & R #1 MWA IAW AMM 32-45-01/401 & AIP - [SDR UIEA2025062800817](https://openairdocs.org/sdr/UIEA2025062800817.md): Longeron Fitting · cracked · Jul 14, 2025 · N450PA · Boeing 74746NF · Fuselage Main, Structure > LEFT BS 1480 LONGERON EXTENSION FITTING FOUND CRACKED. CRACK LONGERON EXTENSION FITTING REPAIRED AS PER ATLAS AIR EO 4453A818 REV 20 PART 7. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025062800818](https://openairdocs.org/sdr/UIEA2025062800818.md): Doubler · cracked · Jul 14, 2025 · N450PA · Boeing 74746NF · Passenger/Crew Doors > MAIN DECK - L1 ENTRY DR UPR HINGE DOUBLER FND CRACKED. DOUBLER REPLACED AS PER SRM 51-10-02 AND NEW DOUBLER HOLES TRANSFERRED AS PER SRM 51-40-05 AND NEW DOUBLER INSTALLED AS PER SRM 51-40-02. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025063000819](https://openairdocs.org/sdr/UIEA2025063000819.md): Lug · cracked · Jul 14, 2025 · N450PA · Boeing 74746NF · Fuselage Main, Attach Fittings > 1 EA CRACK WAS FOUND ON BS 1000 RBL 11.33 INTERCOSTAL LUG FITTING. INTERCOSTAL LUG FITTING REPLACED AS PER ATLAS AIR EO 4453C024 REV.4 PART 7 STEP 3. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025063000820](https://openairdocs.org/sdr/UIEA2025063000820.md): Lug · cracked · Jul 14, 2025 · N450PA · Boeing 74746NF · Fuselage Main, Attach Fittings > 1 EA CRACK WAS FOUND ON BS 1000 LBL 11.33" INTERCOSTAL LUG FITTING. INTERCOSTAL LUG FITTING REPLACED AS PER ATLAS AIR EO 4453C024 REV.4 PART 3 STEP 3. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070100821](https://openairdocs.org/sdr/UIEA2025070100821.md): Fairing · delaminated · Jul 14, 2025 · N450PA · Boeing 74746NF · Trailing Edge Flaps > RIGHT WING I/B MID FLAP L/E FAIRING FOUND DELAMINATION AT I/B 13". PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5. A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070100822](https://openairdocs.org/sdr/UIEA2025070100822.md): Fairing · delaminated · Jul 14, 2025 · N450PA · Boeing 74746NF · Trailing Edge Flaps > RIGHT WING I/B AFT FLAP MID L/E FAIRING FOUND DELAMINATION AT O/B 180". PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5. A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070100823](https://openairdocs.org/sdr/UIEA2025070100823.md): Fairing · delaminated · Jul 14, 2025 · N450PA · Boeing 74746NF · Trailing Edge Flaps > LEFT WING I/B MID FLAP L/E FAIRING FOUND DELAMINATION AT O/B 70". PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5. A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070100824](https://openairdocs.org/sdr/UIEA2025070100824.md): Fairing · delaminated · Jul 14, 2025 · N450PA · Boeing 74746NF · Trailing Edge Flaps > RIGHT WING O/B MID FLAP L/E FAIRING FOUND DELAMINATION AT I/B 39". PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5. A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070100825](https://openairdocs.org/sdr/UIEA2025070100825.md): Fairing · delaminated · Jul 14, 2025 · N450PA · Boeing 74746NF · Trailing Edge Flaps > RIGHT WING O/B MID FLAP L/E FAIRING FOUND DELAMINATION AT I/B 12". PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5. A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070100826](https://openairdocs.org/sdr/UIEA2025070100826.md): Fairing · punctured · Jul 14, 2025 · N450PA · Boeing 74746NF · Trailing Edge Flaps > LEFT WING I/B FORE FLAP MID L/E FAIRING FOUND PUNCH HOLE FROM I/B 133". PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5. C. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070100827](https://openairdocs.org/sdr/UIEA2025070100827.md): Fairing · delaminated · Jul 14, 2025 · N450PA · Boeing 74746NF · Trailing Edge Flaps > RIGHT WING O/B MID FLAP L/E FAIRING FOUND DELAMINATION AT O/B 180". PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5. A. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070100828](https://openairdocs.org/sdr/UIEA2025070100828.md): Fairing · chafed · Jul 14, 2025 · N450PA · Boeing 74746NF · Trailing Edge Flaps > RHW I/B AFT FLAP I/B L/E FAIRING FOUND CHAFING. PERFORMED PERMANENT REPAIR AS PER SRM 51-70-07 PAR 5.G. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070300830](https://openairdocs.org/sdr/UIEA2025070300830.md): Power Supply · no test · Jul 14, 2025 · N450PA · Boeing 74746NF · Emergency Lighting > FUNCTIONAL TEST EMERGENCY LIGHTS BATTERY PACKS FOR CAPACITY (15 MIN. MINIMUM). FOUND EMERGENCY LT L1533, L5733, L5767 & M4915 WENT OFF IN LESS THAN 15 MINUTES. EMERGENCY LT POWER PACK M5169 REPLACED AND OPERATION CHECKED NORMAL IAW AMM 33-51-04. - [SDR UIEA2025070500835](https://openairdocs.org/sdr/UIEA2025070500835.md): Lamp · inoperative · Jul 14, 2025 · N450PA · Boeing 74746NF · Emergency Lighting > DOOR L1 FWD EMERGENCY SILL LT L1853 FOUND INOP. DOOR L1 FWD EMERGENCY SILL LT L1853 LAMP REPLACED AND TEST NORMAL IAW AMM 33-51-05. - [SDR UIEA2025070700844](https://openairdocs.org/sdr/UIEA2025070700844.md): Seat Track · cracked · Jul 14, 2025 · N450PA · Boeing 74746NF · Fuselage, Seat/Cargo Attach Fittings > M/D STA753 TO STA757 LBL11" SEAT TRACK FOUND CRACKED. SEAT TRACK CRACK AREA REPAIRED AS PER SRM 53-00-52-2R-12 REPAIR12 FIG 201. NO FURTHER DEFECTS NOTED. - [SDR UIEA2025070700846](https://openairdocs.org/sdr/UIEA2025070700846.md): Seat Track · chafed · Jul 14, 2025 · N450PA · Boeing 74746NF · Fuselage, Seat/Cargo Attach Fittings > M/D STA 1980 TO STA 1985 RBL 11.33" SEAT TRACK CROWN CHAFED. CHAFED AREA SMOOTHED OUT AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01 AND SMOOTHED OUT AREA MEASURED L:6" X W:0.3" X D:0.007" WITHIN SRM 53-00-52-1A-1 ALLOWABLE DAMAGE 1 FIG 101 LIMITS. N - [SDR UIEA2025070700847](https://openairdocs.org/sdr/UIEA2025070700847.md): Seat Track · chafed · Jul 14, 2025 · N450PA · Boeing 74746NF · Fuselage, Seat/Cargo Attach Fittings > M/D STA 2020 TO STA 2026 RBL 11 SEAT TRACK CROWN CHAFED. CHAFED AREA SMOOTHED OUT AS PER SRM 51-10-02 AND REPROTECTED AS PER SRM 51-20-01 AND SMOOTHED OUT AREA MEASURED L:7" X W:0.3" X D:0.008", WITHIN SRM 53-00-52-1A-1 ALLOWABLE DAMAGE 1 FIG 101 LIMITS. NO Next page: https://openairdocs.org/model/boeing-747-46nf/reports.md?page=2 ## The whole list in SQL Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS: ```sql 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 = '74746NF' ORDER BY difficulty_date DESC ``` This list as a web page: https://openairdocs.org/model/boeing-747-46nf/reports --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.