# Service difficulty reports: Boeing 747-87UF

A list on [Boeing 747-87UF](https://openairdocs.org/model/boeing-747-87uf.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 22 · 1,086 reports

- [SDR UIEA2026101800991](https://openairdocs.org/sdr/UIEA2026101800991.md): Outflow Valve · faulted · Oct 18, 2026 · N852GT · Boeing 74787UF · Pressure Regulator/Outflow Valve
  > CRZ FLT FL 380: CABIN ALT WARNING AT 10,800 FT OBSERVED. ELEC QRH C/W. EMERGENCY DESCENT PERFORMED WITH O2 MASKS ON.(<P>REMOVED AND REPLACED LWR FWD CARGO OVERBOARD VALVE PER AMM 21-26-17/401. TEST PASSED. PERFORMED CABIN PRESSURE LEAKAGE TEST PER AMM 05-51-08
- [SDR UIEA2026092100890](https://openairdocs.org/sdr/UIEA2026092100890.md): Actuator · no test · Sep 21, 2026 · N852GT · Boeing 74787UF · Landing Gear Actuator
  > RIGHT WING LANDING GEAR ALTN ELEC MOTOR TEST FAILED. REMOVED RT WING LANDING GEAR ACTUATOR MOTOR IAW AMM 32-36-02-004-001 REV 51. 2. INSTALLED RH WING LANDING GEAR ACTUATOR MOTOR IAW AMM 32-36-01-404-009 REV 51 STEP 3 A TO E.(1)(E) 2. 3. WING RH ALTERNATE TES
- [SDR UIEA2026092100891](https://openairdocs.org/sdr/UIEA2026092100891.md): Structure · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Elevator Structure
  > FOUND R/H OUTBD ELEVATOR UPPER CHORD CRACK AT ELEV STA 2818. REMOVED THE AFFECTED FASTENER IAW SRM 51-40-02-0G-0 REV 49. 2. ACCOMPLISHED EI T2026A55M-1832 REV 4. 3. INSTALLED FASTENER IAW SRM 51-40-02-0G-0 REV 49 AND DWG 65B05731 SHEET 1 REV E, SHEET 2 REV E,
- [SDR UIEA2026092100892](https://openairdocs.org/sdr/UIEA2026092100892.md): Fairing · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Elevator Miscellaneous Structure
  > FOUND R/H OUTBD ELEVATOR UPPER FAIRING PANEL CRACK. REMOVED THE AFFECTED FASTENER IAW SRM 51-40-02-0G-0 REV 49. 2. ACCOMPLISHED EI T2026A55M-1832 REV 4 AND EI ATTACHED TO WO 12882275. 3. INSTALLED FASTENER IAW SRM 51-40-02-0G-0 REV 49, DWG 65B05786 SHEET 2 REV
- [SDR UIEA2026092100893](https://openairdocs.org/sdr/UIEA2026092100893.md): Fairing · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Elevator Miscellaneous Structure
  > FOUND R/H OUTBD ELEVATOR INBD UPPER FAIRING PANEL CRACK.(<P>1. REMOVED THE AFFECTED FASTENER IAW SRM 51-40-02-0 G-0 REV 49. 2. ACCOMPLISHED EI T2026A55M-1832 REV 4 AND EI ATTACHED TO W/O 12882275. 3. INSTALLED FASTENER IAW SRM 51-40-02-0G-0 REV 49, DWG 65B0578
- [SDR UIEA2026092100894](https://openairdocs.org/sdr/UIEA2026092100894.md): Stiffener · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Elevator Miscellaneous Structure
  > CRACK - FOUND R/H OUTBD ELEVATOR STIFFENER CRACK AT ELEV STA 260.98.(<P>1. REMOVED DAMAGED PART IAW SRM 51-40-02-0G-0 REV 49. 2. FABRICATED PART IAW EI T2026A55M-1832 REV 4 AND EI ATTACHED TO WO 12882275. 3. INSTALLED FABRICATED PART IAW SRM 51-40-02-0G-0 REV
- [SDR UIEA2026092100895](https://openairdocs.org/sdr/UIEA2026092100895.md): Web · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Elevator Miscellaneous Structure
  > FOUND R/H OUTBD ELEVATOR WEB CRACKED AT ELEV STA 281.8.(<P>1. ACCOMPLISHED EI T2026A55M-1832 REV 4 AND EI ATTACHED TO WO 12882275. 2. JOB COMPLETED & CONDITION CHK OK.</P>)
- [SDR UIEA2026092100896](https://openairdocs.org/sdr/UIEA2026092100896.md): Support · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Elevator Miscellaneous Structure
  > RT OTBD ELEVATOR SUPPORT CRACK AT ELEV STA 285. REMOVED DAMAGED PART IAW SRM 51-40-02-0G-0 REV 49. 2. FABRICATED PART IAW EI T2026A55M-1832 REV 4 AND EI ATTACHED TO W/O 12882275. 3. INSTALLED FABRICATED PART IAW SRM 51-40-02-0G-0 REV 49 AND DWG 183U3400 SHEE
- [SDR UIEA2026092100897](https://openairdocs.org/sdr/UIEA2026092100897.md): Support · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Elevator Miscellaneous Structure
  > FOUND RT OUTBD ELEVATOR SUPPORT CRACK AT ELEV STA 277. REMOVED DAMAGED PART IAW SRM 51-40-02-0G-0 REV 49. FABRICATED PART IAW EI T2026A55M-1832 REV 4 AND EI ATTACHED TO WO 12882275. INSTALLED FABRICATED PART IAW SRM 51-40-02-0G-0 REV 49 AND DWG 183U3400 SHE
- [SDR UIEA2026092100898](https://openairdocs.org/sdr/UIEA2026092100898.md): Stringer · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER NEAR BS 2360, S-7L FWD SIDE. REPAIRED DAMAGED AREA IAW WS 60689, SRM 53-60-03-2R-8 REV 49 AND EI T2026A53M-1996 REV 0. CONDITION CHECK NORMAL AND JOB COMPLETED.
- [SDR UIEA2026092100899](https://openairdocs.org/sdr/UIEA2026092100899.md): Stringer · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER NEAR BS 880, S-8L AFT SIDE. REPAIRED CRACK AREA IAW WS 60691, SRM 53-20-03-2R-1 REV 49 AND EI T2026A53M-1988 REV 0. CONDITION CHECK NORMAL AND JOB COMPLETED.
- [SDR UIEA2026092100900](https://openairdocs.org/sdr/UIEA2026092100900.md): Stringer · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER NEAR BS 870, S-7R FWD SIDE. REPAIRED DAMAGED AREA IAW WS 60704, SRM 53-20-03-2R-1 REV 49 AND EI T2026A53M-1844 REV 1. CONDITION CHECK NORMAL AND JOB COMPLETED.
- [SDR UIEA2026092100901](https://openairdocs.org/sdr/UIEA2026092100901.md): Stringer · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER NEAR STA 2360, S-20R FWD SIDE. REPAIRED DAMAGED AREA IAW WS 60683 & SRM 53-60-03-2R-8 REV 49. 2. CONDITION CHECK NORMAL AND JOB COMPLETED.
- [SDR UIEA2026092100902](https://openairdocs.org/sdr/UIEA2026092100902.md): Stringer · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER NEAR STA 2360, S-5L FWD SIDE. ACCOMPLISHED EI T2026A53M-1841 REV 2. 2. CONDITION CHECK NORMAL AND JOB COMPLETED.
- [SDR UIEA2026092100903](https://openairdocs.org/sdr/UIEA2026092100903.md): Stringer · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER NEAR STA 2360, S-21R FWD SIDE. ACCOMPLISHED IAW WS 60684 AND SRM 53-60-03-2R-8 REV 49. 2. CONDITION CHECK NORMAL AND JOB COMPLETED.
- [SDR UIEA2026092100904](https://openairdocs.org/sdr/UIEA2026092100904.md): Stringer · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER NEAR STA 2360, S-7R FWD SIDE. REPAIRED DAMAGED AREA IAW WS 60690 AND SRM 53-60-03-2R-8 REV 49. 2. CONDITION CHECK NORMAL AND JOB COMPLETED.
- [SDR UIEA2026092100905](https://openairdocs.org/sdr/UIEA2026092100905.md): Stringer · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER NEAR STA 2180, S-11R AFT SIDE. REPAIRED DAMAGED AREA IAW WS 60686 & SRM 53-60-03-2R-3 REV 49. 2. CONDITION CHECK NORMAL AND JOB COMPLETED.
- [SDR UIEA2026092100906](https://openairdocs.org/sdr/UIEA2026092100906.md): Stringer · cracked · Sep 21, 2026 · N852GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER NEAR BS 2180, S-10R AFT SIDE. REPAIRED DAMAGED AREA IAW WS 60687 & SRM 53-60-03-2R-3 REV 49. CONDITION CHECK NORMAL AND JOB COMPLETED.
- [SDR UIEA2026091400877](https://openairdocs.org/sdr/UIEA2026091400877.md): Outflow Valve · faulted · Sep 14, 2026 · N851GT · Boeing 74787UF · Pressure Regulator/Outflow Valve
  > AFTER LEVEL OFF AT 340, SLOWLY LOST CABIN PRESSURISATION TO APPROX 10,900. BOTH OUTFLOW VALVES VERIFIED CLOSED. DESCENDED AND RETURNED TO VCP. TRANSFER TO DMI 259214 PER MEL 21-31-02A CAT C. R & R LWR FWD CARGO OVERBOARD EXHAUST VALVE IAW AMM 21-26-17-000-8
- [SDR UIEA2026083000825](https://openairdocs.org/sdr/UIEA2026083000825.md): Landing Gear · malfunctioned · Aug 30, 2026 · N850GT · Boeing 74787UF · Nose/Tail Landing Gear
  > AFTER LINING UP ON RWY 08R, ENGS STABILIZED AT 45 % WHEN ADVANCING THROTTLES, ACFT VEERED RIGHT. TOWER NOTICED SMOKE FROM NOSE TIRES, TAKEOFF REJECTED AT 10KTS. RETURN TO BLOCKS FOR TIRE INSPECTION. REMOVED NOSE TIRES, INSPECTED NLG AXLE IAW AMM 32-45-02. NO
- [SDR UIEA2026082300786](https://openairdocs.org/sdr/UIEA2026082300786.md): Transceiver · inoperative · Aug 22, 2026 · N851GT · Boeing 74787UF · UHF Communications System
  > RIGHT HF INOPERATIVE. NO HF CAPABILITY, LT & RT UNABLE TO TRANSMIT. R & R HF ANTENNA COUPLER IAW AMM 23-11-03. R & R RT AND LT HF TRANSCIEVER IAW AMM 23-11-05/401 AND LT & RT HF SYS OPS CHECKS GOOD.
- [SDR P5CA2026082100029](https://openairdocs.org/sdr/P5CA2026082100029.md): Tire · warning message · Aug 21, 2026 · N857GT · Boeing 74787UF · Tire
  > IN CRUISE FLIGHT, TIRE PRESSURE EICAS MSG. GAUGE SYNOPTIC INDICATED TIRE 14 WAS AT 180 PSI AND CONTINUED TO DROP. R & R NR 14 MWA IAW AMM 32-45-01. VERIFIED SPACER INSTALLED. OPS & LK CHKD OK.
- [SDR UIEA2026081100741](https://openairdocs.org/sdr/UIEA2026081100741.md): Cargo Track · damaged · Aug 20, 2026 · N854GT · Boeing 74787UF · Fuselage, Seat/Cargo Attach Fittings
  > WHILE WORKING MDDR 256255, FWD CARGO STA 500 LATERAL GUIDE AND ENDSTOP FWD - 4 EA BROKEN, NOTICED UNDERLYING STRUCTURE DAMAGED, INCLUDING SEAT TRACK, WEB, & LOWER INTERCOSTAL AT ALL 4 POSITIONS. LBL 45.5, LBL 24.75, RBL 24.75, & RBL 45.5 AT BS 480 IN THE FWD
- [SDR P5CA2026070600024](https://openairdocs.org/sdr/P5CA2026070600024.md): Sensor · faulted · Jul 4, 2026 · N857GT · Boeing 74787UF · Trailing Flap Position Indicating System
  > FLAPS DRIVE MSG IMMEDIATELY AFTER ROTATION BELOW 300 FT. REMOVED AND REPLACED FLAP SKEW SENSOR AND RE-SECURED CONNECTOR D25635J. OPS CHECK GOOD IAW AMM 27-51-01, AIRCRAFT OK FOR SERVICE.
- [SDR UIEA2026052600351](https://openairdocs.org/sdr/UIEA2026052600351.md): Skin · damaged · May 23, 2026 · N851GT · Boeing 74787UF · Cargo/Baggage Doors
  > LIGHTING STRIKE - SKIN, NOSE CARGO EXTERNAL SKIN NEAR STA 200, S-36R ~ S-39R. ACCOMPLISHED WORK SHEET NO 60306 (SRM 53-00-01-2R-9 REV 48) AND EI NO T2026A52M-969 REV 0 AND REV 1. JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600352](https://openairdocs.org/sdr/UIEA2026052600352.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR STA 2180 S-10L FWD AND AFT SIDE. PERFORMED REPAIR IAW W/S 60308 (SRM 53-60-03-2R-3 REV 48). JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600353](https://openairdocs.org/sdr/UIEA2026052600353.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR STA 2180 S-11L FWD AND AFT SIDE. PERFORMED REPAIR IAW W/S 60309 (SRM 53-60-03-2R-3 REV 48). JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600354](https://openairdocs.org/sdr/UIEA2026052600354.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR BS 2360 S-7R FWD SIDE. PERFORMED REPAIR IAW W/S 60302 (SRM 53-60-03-2R-8 REV 48). JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600355](https://openairdocs.org/sdr/UIEA2026052600355.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR STA 1960 S-12R FWD AND AFT SIDE. REPAIRED DAMAGE AREA IAW W/S #60310 (SRM 53-60-03-2R-4 REV 48). JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600356](https://openairdocs.org/sdr/UIEA2026052600356.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR BS 2180 S-10R AFT SIDE. REPAIRED DAMAGE AREA IAW W/S #60294 (SRM 53-60-03-2R-3 REV 48). JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600357](https://openairdocs.org/sdr/UIEA2026052600357.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR BS 2180 S-12R FWD AND AFT SIDE. REPAIRED DAMAGE AREA IAW W/S #60307 (SRM 53-60-03-2R-3 REV 48). JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600358](https://openairdocs.org/sdr/UIEA2026052600358.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR STA 940 AND STA 960, S-9R. REPAIRED DAMAGE AREA IAW W/S 60297 AND SRM 53-20-03-2R-1 ALTERNATIVE 2 REV 48. JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600359](https://openairdocs.org/sdr/UIEA2026052600359.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR STA 980 +160 ~ 1000 S-11L. REPAIRED DAMAGE AREA IAW W/S 60298 AND SRM 53-20-03-2R-1 ALTERNATIVE 1 REV 48 AND EI #T2026A53M-972 REV 2. JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600360](https://openairdocs.org/sdr/UIEA2026052600360.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR STA 920 S-11R. REPAIRED DAMAGE AREA IAW W/S #60299 AND SRM 53-20-03-2R-1 ALTERNATIVE 2 REV 48 AND EI #T2026A53M-973 REV 2. JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600361](https://openairdocs.org/sdr/UIEA2026052600361.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR STA 980+160 ~ 1000 S-11R. REPAIRED DAMAGE AREA IAW W/S 60301 AND SRM 53-20-03-2R-1 ALTERNATIVE 2 REV 48 AND EI T2026A53M-973 REV 2. EI ATTACHED TO W/O 12388193 (064). 3. JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600362](https://openairdocs.org/sdr/UIEA2026052600362.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR STA 850 S-10L. REPAIRED DAMAGE AREA IAW W/S 60359 (SRM 53-20-03-2R-1 REV 48) AND EI T2026A53M-968 REV 1. JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR UIEA2026052600363](https://openairdocs.org/sdr/UIEA2026052600363.md): Stringer · cracked · May 23, 2026 · N851GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGED ON THE STRINGER NEAR STA 870 S-8L REPAIRED DAMAGE AREA IAW W/S 60356 (SRM 53-20-03-2R-1 REV 48) AND EI T2026A53M-971 REV 1. JOB COMPLETED AND CONDITION CHECK NORMAL.
- [SDR P5CA2026042800022](https://openairdocs.org/sdr/P5CA2026042800022.md): Switch · faulted · Apr 28, 2026 · N858GT · Boeing 74787UF · Drag Control System
  > REJECT AT 62 KTS FOR CONFIG WARNING 421.6 KG. SPEED BRAKE ARMED EICAS AND COULD NOT BE RESET AFTER REJECT. VERIFIED INTERNAL SHORT IN SPEED BRAKE ARM SWITCH IAW WDM 32-41-31 & AMM 20-11-00. R & R SPEED BRK ARM SWITCH IAW AMM 27-62-10. OPS CHECK NORMAL. THIS
- [SDR UIEA2026042300239](https://openairdocs.org/sdr/UIEA2026042300239.md): Stringer · cracked · Apr 23, 2026 · N850GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK - FOUND M/D STRINGER CRACK AT STA 1960 FWD SIDE S-9R.(<P>1. REPAIRED DAMAGED AREA IAW W/S 60224 & SRM 53-60-03-2R-4 REV 48. 2. JOB COMPLETED.</P>)
- [SDR UIEA2026042300240](https://openairdocs.org/sdr/UIEA2026042300240.md): Stringer · cracked · Apr 23, 2026 · N850GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK - FOUND M/D STRINGER CRACK AT STA 1960 FWD SIDE S-11R.(<P>1. REPAIRED DAMAGED AREA IAW W/S 60225 & SRM 53-60-03-2R-4 REV 48. 2. JOB COMPLETED.</P>)
- [SDR UIEA2026042300241](https://openairdocs.org/sdr/UIEA2026042300241.md): Stringer · cracked · Apr 23, 2026 · N850GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK - FOUND M/D STRINGER CRACK AT STA 1960 FWD SIDE S-12R.(<P>1. REPAIRED DAMAGED AREA IAW W/S 60226 & SRM 53-60-03-2R-4 REV 48. 2. JOB COMPLETED.</P>)
- [SDR UIEA2026042300242](https://openairdocs.org/sdr/UIEA2026042300242.md): Stringer · cracked · Apr 23, 2026 · N850GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER S-7R, AT FWD SIDE OF STA 2360.(<P>1. REPAIRED DAMAGED AREA IAW W/S 60229 & SRM 53-60-03-2R-8 REV 48. 2. JOB COMPLETED.</P>)
- [SDR UIEA2026042300243](https://openairdocs.org/sdr/UIEA2026042300243.md): Stringer · cracked · Apr 23, 2026 · N850GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER S-15L, AT STA 1140 FWD STRINGER.(<P>1. REMOVE THE AFFECTED FASTENER IAW SRM 51-40-02-0G-0 REV 48. 2. ACCOMPLISHED EI T2026A53M-699 REV 1. 3. INSTALL FASTENER IAW SRM 51-40-02-0G-0 REV 48 AND DWG 144U3635 SH18 REV - & DWG 144U7702 S
- [SDR UIEA2026042100229](https://openairdocs.org/sdr/UIEA2026042100229.md): Oil Cap · unsecure · Apr 21, 2026 · N853GT · Boeing 74787UF · Turbine Engine Oil System
  > ENG 3 OIL SYS STATUS MSG IN FLIGHT. OIL PRESSURE 24 PSI IN CRUISE. NR 3 ENG OIL FILL CAP FOUND OPEN. CLOSED CAP REF AMM 12-13-03. PERFORMED IDLE ENG RUN, OIL PRESSURE INDICATION NORMAL. NO FAULTS NOTED REF AMM 71-00-00.</P>)
- [SDR P5CA2026041800019](https://openairdocs.org/sdr/P5CA2026041800019.md): Tire · leaking · Apr 18, 2026 · N858GT · Boeing 74787UF · Tire
  > #8 TIRE PRESSURE ADVISORY MESSAGE - TIRE PRESSURE DECREASING.(<P>FOUND #8 MAIN TIRE PRESSURE LOW. REMOVED AND REPLACED #8 MAIN WHEEL ASSY PER AMM 32-45-01. ALSO, REPLACED #7 MAIN WHEEL ASSY PER AMM 32-45-01. OPS & LK CHK OK</P>)
- [SDR P5CA2026042000020](https://openairdocs.org/sdr/P5CA2026042000020.md): Tire · warning message · Apr 12, 2026 · N855GT · Boeing 74787UF · Tire
  > TIRE PRESSURE EICAS & STS MSG OCCURRED AFTER T/O. PERFORMED CONDITIONAL INSPECTION ON MLG 11 & 12 AXLE IAW AMM 05-51-25 (1-8) & AMM 32-45-04-206-011, NO DAMAGE NOTED TO RH BODY GEAR. BRAKE SYS TEST PASS. NO LEAKS NOTED. OPS CHK GOOD AT THIS TIME. R & R MLG 11
- [SDR UIEA2026032600107](https://openairdocs.org/sdr/UIEA2026032600107.md): Skin · damaged · Mar 25, 2026 · N852GT · Boeing 74787UF · Horizontal Stabilizer, Plate/Skin
  > LEFT HORIZONTAL STAB L/E UPPER SKIN DAMAGE(<P>PERFORMED CAT B REPAIR PER EO 4855A028. NO FURTHER DEFECTS NOTED</P>)
- [SDR UIEA2026031300089](https://openairdocs.org/sdr/UIEA2026031300089.md): Battery Pack · inoperative · Mar 14, 2026 · N854GT · Boeing 74787UF · Emergency Lighting
  > MDDR 248876 - MAIN DECK CARGO COMPT LIGHT INOP ABOVE L1 DOOR INOP ( MAIN DECK CARGO HANDLING LIGHTS (747-8F))(<P>LH EMER LIGHT POWER PACK CHARGER REPLACED, EMER LIGHT ABOVE L1 M/D CEILING LAMPS REPLACED, INSTALLATION TEST CARRIED OUT, RESULT FOUND NORMAL AS P
- [SDR P5CA2026012300014](https://openairdocs.org/sdr/P5CA2026012300014.md): Stringer · cracked · Jan 21, 2026 · N855GT · Boeing 74787UF · Fuselage Main, Floor Beam
  > CRACK DAMAGE ON THE STRINGER S-5L, AT AFT SIDE OF STA 2360.(<P>1. REMOVED AFFECTED FASTENERS TO GET ACCESS IAW SRM 51-40-02-0G-0 REV 47. 2. REPAIR DAMAGE AREA IAW EI NO: T2026A53M-033 REV 1. 3. INSTALLED FASTENERS IAW SRM 51-40-02-0G-0 REV 47 AND DWG NO: 148U2
- [SDR P5CA2026012000002](https://openairdocs.org/sdr/P5CA2026012000002.md): Stringer · cracked · Jan 21, 2026 · N855GT · Boeing 74787UF · Fuselage Main, Longeron/Stringer
  > CRACK DAMAGE ON THE STRINGER S-8R, AT FWD SIDE OF STA 2598. REPAIR DAMAGE AREA IAW W/S NO: 50870 (SRM 53-80-03-2R-2 REV: 47) JOB COMPLETED AND CONDITION CHECK NORMAL.

Next page: https://openairdocs.org/model/boeing-747-87uf/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 = '74787UF'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-747-87uf/reports

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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.
