# Service difficulty reports: N521FE

A list on [N521FE](https://openairdocs.org/aircraft/N521FE.md).

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model. Newest first.

Page 1 of 10 · 471 reports

- [SDR FDEA202610161599](https://openairdocs.org/sdr/FDEA202610161599.md): Seat Track · damaged · Oct 16, 2026 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > RAMP REPORTED BUSTED LOCK. LOCK IS FINE ITS THE SEAT TRACK LOBE THAT IS BUSTED. PLACED LOCK IN LEFT SIDE OVERHEAD COMPARTMENT IN THE FLIGHT DECK.THIS IS ON THE MCD POSITION 5L LOCK ID IS M909. IREPAIRED TRACK SECTION AND REPAIR CHANNEL IAW SRM 53-00-5
- [SDR FDEA202610161598](https://openairdocs.org/sdr/FDEA202610161598.md): Seat Track · damaged · Oct 16, 2026 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > RAMP REPORTED BUSTED LOCK. LOCK IS FINE ITS THE SEAT TRACK LOBE THAT IS BUSTED. PLACED LOCK IN LEFT SIDE OVERHEAD COMPARTMENT IN THE FLIGHT DECK.THIS IS ON THE MCD POSITION 5L LOCK ID IS M909. IREPAIRED TRACK SECTION AND REPAIR CHANNEL IAW SRM 53-00-5
- [SDR FDEA202605050546](https://openairdocs.org/sdr/FDEA202605050546.md): Nacelle · not reported · May 5, 2026 · N521FE · Doug MD11F · Nacelle/Pylon Structure
  > NACELLES/PYLON - WING PYLON/STRUT - NO. 1 PYLON, INSPECTION AND REPAIR OF DAMAGE COMPLY WITH EA 1-5450-T0386263 REV NR POS. P2 COMPLY WITH E..A. 1-5450-T0386263 REV NR PS P2 EA: 1-5450-T0386263 PT 2 COMPLLIED WITH EA 1-5450-T0386263 PT 2 REMOVING AND
- [SDR FDEA202605050548](https://openairdocs.org/sdr/FDEA202605050548.md): Pylon · not reported · May 5, 2026 · N521FE · Doug MD11F · Nacelle/Pylon, Main Frame
  > WS-C 00091807 MOD TYPE T MOD NO. 1-5450-T0386263 REV NO. PS P4 NACELLES/PYLON - WING PYLON/STRUT - NO. 1 PYLON, INSPECTION AND REPAIR OF DAMAG COMPLY WITH E..A. 1-5450-T0386263 REV NO. POS. P4. COMPLY WITH E..A. 1-5450-T0386263 REV NO: PS P4 EA: 1-5
- [SDR FDEA202605050547](https://openairdocs.org/sdr/FDEA202605050547.md): Pylon · not reported · May 5, 2026 · N521FE · Doug MD11F · Nacelle/Pylon, Main Frame
  > WS-C 00091807 MOD TYPE T MOD NO. 1-5450-T0386263 REV NO. PS P4 NACELLES/PYLON - WING PYLON/STRUT - NO. 1 PYLON, INSPECTION AND REPAIR OF DAMAG COMPLY WITH E..A. 1-5450-T0386263 REV NO. POS. P4. COMPLY WITH E..A. 1-5450-T0386263 REV NO: PS P4 EA: 1-5
- [SDR FDEA202605050545](https://openairdocs.org/sdr/FDEA202605050545.md): Pylon · not reported · May 5, 2026 · N521FE · Doug MD11F · Nacelle/Pylon, Main Frame
  > WS-C 00091807 MOD TYPE T MOD NO. 1-5450-T0386807 REV NO. PS P2 NACELLES/PYLON - WING PYLON/STRUT - NO. 3 PYLON, INSPECTION AND REPAIR OF DAMAG COMPLY WITH E..A. 1-5450-T0386807 REV NO. POS. P2. COMPLY WITH E..A. 1-5450-T0386807 REV NO: PS P2 EA: 1-5
- [SDR FDEA202605050544](https://openairdocs.org/sdr/FDEA202605050544.md): Pylon · not reported · May 5, 2026 · N521FE · Doug MD11F · Nacelle/Pylon, Main Frame
  > WS-C 00091807 MOD TYPE T MOD NO. 1-5450-T0386807 REV NO. PS P1 NACELLES/PYLON - WING PYLON/STRUT - NO. 3 PYLON, INSPECTION AND REPAIR OF DAMAGE COMPLY WITH E..A. 1-5450-T0386807 REV NO. POS. P1 COMPLY WITH E..A. 1-5450-T0386807 REV NO: PS P1 EA: 1-54
- [SDR FDEA202507161223](https://openairdocs.org/sdr/FDEA202507161223.md): Pitot Tube · clogged · Jul 16, 2025 · N521FE · Doug MD11F · Pitot/Static System
  > RECEIVED ALT AND IAS ON TAKEOFF. ONCE AIRBORNE, IDENTIFIED #1 AIRSPEED/CADC WAS ERRONEOUS. COMPLETED CHECKLIST AND RETURNED FOR LANDING. PURGED CAPTAIN PITOT TUBE AND FOUND DEBRIS IN TUBE. LEAK CHECKED CAPTAIN AND STANDBY PITOT STATIC SYSTEM WITH NO LEAK
- [SDR FDEA202506261051](https://openairdocs.org/sdr/FDEA202506261051.md): Access Panel · damaged · Jun 26, 2025 · N521FE · Doug MD11F · Wing, Plate/Skin
  > RIGHT WING - FUEL TANK ACCESS PANEL 636AB CUTOUT NUMBER 28 HOLE REPAIR BUSHING FOUND MISSING. RIGHT WING - FUEL TANK ACCESS PANEL 636AB CUTOUT NUMBER 28 HOLE REPAIR BUSHING FOUND MISSING AT STATION XORS 696. RIGHT WING FUEL TANK ACCESS PANEL 636AB CUTOUT
- [SDR FDEA202506241035](https://openairdocs.org/sdr/FDEA202506241035.md): Seat Track · worn · Jun 24, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 6-10 X= -8.5" FOUND CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 6-10 X= -8.5" WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE
- [SDR FDEA202506241034](https://openairdocs.org/sdr/FDEA202506241034.md): Seat Track · worn · Jun 24, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 6-10 X= 47.5" FOUND CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 6-10 X= 47.5" WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE 1
- [SDR FDEA202506191004](https://openairdocs.org/sdr/FDEA202506191004.md): Longeron · corroded · Jun 19, 2025 · N521FE · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CENTER CARGO - RIGHT HAND STATION 1661 LONGERON - 39 RIGHT LONGERON FOUND CORROSION. CORROSION ON LONGERON AT CENTER CARGO STATION 1661, LONGERON -39 RIGHT EVALUATED AND FOUND EXFOLIATED AND OUT OF LIMITS PER MD-11 SRM 53-00-00-2R FIGURE 205. REPAIR GENE
- [SDR FDEA202506191003](https://openairdocs.org/sdr/FDEA202506191003.md): Longeron · corroded · Jun 19, 2025 · N521FE · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CENTER CARGO - RIGHT HAND STATION 1641 LONGERON - 39 RIGHT LONGERON FOUND CORROSION. CORROSION ON LONGERON AT CENTER CARGO STATION 1641, LONGERON -39 RIGHT EVALUATED AND FOUND EXFOLIATED AND OUT OF LIMITS PER MD-11 SRM 53-00-00-2R FIGURE 205. REPAIR GENE
- [SDR FDEA202506191002](https://openairdocs.org/sdr/FDEA202506191002.md): Longeron · corroded · Jun 19, 2025 · N521FE · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CENTER CARGO - RIGHT HAND STATION 1621 LONGERON - 39 RIGHT LONGERON FOUND CORROSION. CORROSION ON LONGERON AT CENTER CARGO STATION 1621, LONGERON -39 RIGHT EVALUATION AND FOUND EXFOLIATED AND OUT OF LIMITS PER MD-11 SRM 53-00-00-2R FIGURE 205. REPAIR GEN
- [SDR FDEA202506191001](https://openairdocs.org/sdr/FDEA202506191001.md): Longeron · corroded · Jun 19, 2025 · N521FE · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CENTER CARGO - RIGHT HAND STATION 1601 LONGERON - 39 RIGHT LONGERON FOUND CORROSION. CORROSION ON LONGERON AT CENTER CARGO STATION 1601, LONGERON -39 RIGHT EVALUATED AND FOUND EXFOLIATED AND OUT OF LIMITS PER MD-11 SRM 53-00-00-2R FIGURE 205. REPAIR GENE
- [SDR FDEA202506191000](https://openairdocs.org/sdr/FDEA202506191000.md): Longeron · corroded · Jun 19, 2025 · N521FE · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CTR CARGO - RIGHT HAND STATION 1561 LONGERON - 39 RIGHT FOUND CORROSION. CORROSION ON LONGERON AT CTR CARGO STATION 1561, LONGERON -39 RIGHT AND FOUND EXFOLIATED AND OUT OF LIMITS PER MD-11 SRM 53-00-00-2R FIGURE 205. REPAIR GENERAL. REPAIR CARRIED OUT WIT
- [SDR FDEA202506190999](https://openairdocs.org/sdr/FDEA202506190999.md): Longeron · corroded · Jun 19, 2025 · N521FE · Doug MD11F · Fuselage Main, Longeron/Stringer
  > CTR CARGO - RIGHT HAND STATION 5-123 LONGERON - 39 RIGHT FOUND CORROSION. CORROSION ON LONGERON AT CTR CARGO STATION 5-123, LONGERON -39 RIGHT AND FOUND EXFOLIATED AND OUT OF LIMITS PER MD-11 SRM 53-00-00-2R FIGURE 205. REPAIR GENERAL. REPAIR CARRIED OUT W
- [SDR FDEA202506190998](https://openairdocs.org/sdr/FDEA202506190998.md): Repair · not reported · Jun 19, 2025 · N521FE · Doug MD11F · Standard Practices/Structures
  > CTR CARGO - TO REMOVE AND REPAIR EXISTING REPAIR AS REQUIRED ON T/C T 1-5330-T0301688 A P5.
- [SDR FDEA202506150954](https://openairdocs.org/sdr/FDEA202506150954.md): Stringer · cracked · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage Main, Longeron/Stringer
  > UPPER AUXILIARY TANK - STRINGER 47 AT STATION XCW 46.5 FOUND CRACK DURING PERFORMING W/C 57.20.01.3. UPPER AUXILIARY TANK STRINGER 47 AT STATION XCW 46.5 AREA REPAIR CARRIED OUT PER MD- 11 SRM 57-10-03-2R FIGURE 201 REPAIR 1. REPAIR CLASSIFIED AS MAJOR PER
- [SDR FDEA202506150953](https://openairdocs.org/sdr/FDEA202506150953.md): Stringer · cracked · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage Main, Longeron/Stringer
  > UPPER AUXILIARY TANK - STRINGER 47 AT STATION XCW 17 FOUND CRACK DURING PERFORMING W/C 57.20.01.3. UPPER AUXILIARY TANK STRINGER 47 AT STATION XCW 17 AREA REPAIR CARRIED OUT PER MD-11 SRM 57-10-03-2R FIGURE 201 REPAIR 1. REPAIR CLASSIFIED AS MAJOR PER GMM
- [SDR FDEA202506150952](https://openairdocs.org/sdr/FDEA202506150952.md): Seat Track · worn · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1425 X= -47.5 INCH FOUND CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1425 X= -47.5 INCH WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1
- [SDR FDEA202506150951](https://openairdocs.org/sdr/FDEA202506150951.md): Seat Track · worn · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1425 X= 8.5 INCH FOUND CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1425 X= 8.5 INCH WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A
- [SDR FDEA202506150950](https://openairdocs.org/sdr/FDEA202506150950.md): Seat Track · worn · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1278 X= -8.5 INCH CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1278 X= -8.5 INCH WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGU
- [SDR FDEA202506150949](https://openairdocs.org/sdr/FDEA202506150949.md): Seat Track · worn · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1278 X= 8.5 INCH CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1278 X= 8.5 INCH WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE
- [SDR FDEA202506150948](https://openairdocs.org/sdr/FDEA202506150948.md): Seat Track · worn · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1278 X=47.5 INCH CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1278 X=47.5 INCH WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE
- [SDR FDEA202506150947](https://openairdocs.org/sdr/FDEA202506150947.md): Seat Track · worn · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 5-11 X= 47.5" CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 5-11 X= 47.5" WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE 101 A
- [SDR FDEA202506150946](https://openairdocs.org/sdr/FDEA202506150946.md): Seat Track · worn · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 5-11 X= 27.5" CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 5-11 X= 27.5" WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE 101
- [SDR FDEA202506150945](https://openairdocs.org/sdr/FDEA202506150945.md): Seat Track · worn · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 5-11 X= -27.5" CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 5-11 X= -27.5" WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE 101
- [SDR FDEA202506150944](https://openairdocs.org/sdr/FDEA202506150944.md): Seat Track · worn · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1425 X=-8.5" FOUND CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1425 X=-8.5" WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE 10
- [SDR FDEA202506150943](https://openairdocs.org/sdr/FDEA202506150943.md): Seat Track · corroded · Jun 15, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPT FLOOR SEAT TRACK AT STATION 1410 X=-27.5" WITH EXFOLIATION CORROSION. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1410 X=-27.5" CORROSION FOUND EXFOLIATED AND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGUR
- [SDR FDEA202506100874](https://openairdocs.org/sdr/FDEA202506100874.md): Rib · cracked · Jun 10, 2025 · N521FE · Doug MD11F · Wing, Rib/Bulkhead
  > LEFT WING - FIXED LEADING EDGE RIB DOUBLER AT STATION XOS 789 FOUND CRACK ABOUT 2 INCH. LT WING FIXED LEADING EDGE CRACKED RIB DOUBLER AT STATION XOS 789 REMOVED IAW SRM 51-33-01-0G AND FABRICATED RIB DOUBLER IAW DRAWING ARB3954 REV K. INSTALLED FABRICATED
- [SDR FDEA202506100873](https://openairdocs.org/sdr/FDEA202506100873.md): Former · cracked · Jun 10, 2025 · N521FE · Doug MD11F · Wing Main, Frame Structure
  > LEFT WING - FIXED LEADING EDGE UPPER FORMER AT STATION XOS 584 FOUND CRACK ABOUT 5 INCHES. LT WING FIXED LEADING EDGE UPPER CRACKED FORMER AT STATION XOS 584 REMOVED IAW SRM 51-33-01-0G AND 51-35-01-0G AND FABRICATED FORMER PER DRAWING ARB 2931 REV H. INST
- [SDR FDEA202506100872](https://openairdocs.org/sdr/FDEA202506100872.md): Doubler · cracked · Jun 10, 2025 · N521FE · Doug MD11F · Wing, Plate/Skin
  > RIGHT WING - FIXED LEADING EDGE BEADED DOUBLER AT STATION XOS 706 FOUND CRACK ABOUT 0.2 INCH. RT WING FIXED LEADING EDGE CRACKED BEADED DOUBLER AT STATION XOS 706 TRIMMED OUT PER SRM 57-40-02-2R FIGURE 203 REPAIR 15. FABRICATED REPAIR DOUBLER (-3), FILLER (-1
- [SDR FDEA202506100871](https://openairdocs.org/sdr/FDEA202506100871.md): Seat Track · worn · Jun 10, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STA 879 X= -8.5 FOUND CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 879 X=-8.5" WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE 101 AL
- [SDR FDEA202506100870](https://openairdocs.org/sdr/FDEA202506100870.md): Seat Track · worn · Jun 10, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 879 X= 8.5" FOUND CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 879 X= 8.5" WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGURE 101
- [SDR FDEA202506100869](https://openairdocs.org/sdr/FDEA202506100869.md): Seat Track · worn · Jun 10, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 6-10 X= -8.5 INCH FOUND CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 6-10 X= -8.5 INCH WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A F
- [SDR FDEA202506100868](https://openairdocs.org/sdr/FDEA202506100868.md): Seat Track · worn · Jun 10, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 6-10 X= 47.5 INCH FOUND CROWN WORN. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 6-10 X= 47.5 INCH WORN CROWN EVALUATED AND FOUND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52-1A FIGU
- [SDR FDEA202506100867](https://openairdocs.org/sdr/FDEA202506100867.md): Seat Track · corroded · Jun 10, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1199 X= 8.5 INCH FOUND WITH EXFOLIATION CORROSION. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1199 X= 8.5 INCH CORROSION FOUND WITH EXFOLIATION AND EXCEEDED LIMIT AS PER M
- [SDR FDEA202506100866](https://openairdocs.org/sdr/FDEA202506100866.md): Seat Track · corroded · Jun 10, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STA 1019 X= -8.5" FOUND WITH EXFOLIATION CORROSION. CABIN - MAIN DECK CARGO COMPARTMENT FLOOR SEAT TRACK AT STATION 1019 X= -8.5" CORROSION FOUND EXFOLIATED AND EXCEEDED LIMIT AS PER MD11 SRM 53-00-52
- [SDR FDEA202506100865](https://openairdocs.org/sdr/FDEA202506100865.md): Repair · worn · Jun 10, 2025 · N521FE · Doug MD11F · Fuselage Main, Plate/Skin
  > CENTER CARGO - TO REMOVE AND REPAIR EXISTING REPAIR AS REQUIRED ON T/C T 1-5330- T0301688 A P5. EXISTING REPAIR DOUBLERS AT CENTER CARGO DOOR CUTOUT AFT JAMB STATION 1781 AREA REMOVED AS PER MD-11 SRM 51-31-01-0G AND REPAIRED AS PER MD-11 SRM 53-00-15-2R FI
- [SDR FDEA202504210623](https://openairdocs.org/sdr/FDEA202504210623.md): Battery Pack · no test · Apr 21, 2025 · N521FE · Doug MD11F · Emergency Lighting
  > DURING PREFLIGHT LEVEL 1 EMER LT BAT 1 LO REPLACED EMERGENCY LIGHTING BATTERY POWER SUPPLY PER MD11 M/M 33-51-01-4 OPS CHECKS NORMAL PER MD11 M/M 33-51-01-5 RECHARGEABLE BAT POWER SUPPLY- GRIMES- P/N 60-4411-5 S/N OFF 0267.
- [SDR FDEA202501240133](https://openairdocs.org/sdr/FDEA202501240133.md): Seat Track · worn · Jan 24, 2025 · N521FE · Doug MD11F · Fuselage, Seat/Cargo Attach Fittings
  > FLOOR LOCK SEAT TRACK DAMAGED 6R. LOCK ID X1035. 6R LIMIT TO 9060 LBS. SRM: 53-00-52-1A SEAT TRACK DAMAGE CONFINED TO LOBE. OKAY FOR SERVICE REF SRM ABOVE. FLOOR LOCK PLACED IN COAT CLOSET. REPAIRED SEAT TRACK USING MD11 SRM 50-00-52-2R REPAIR 7 (B
- [SDR FDEA202308151439](https://openairdocs.org/sdr/FDEA202308151439.md): Engine · failed · Aug 15, 2023 · N521FE · Doug MD11F · Engine (Turbine/Turboprop)
  > ENG 3 RPM LOW ALERT FILLED BY FADEC MAINT ALERT. ATTEMPTED AIR START WITH NO SUCCESS. SECURED ENGINE. EMERGENCY DECLARED R&R FCU/PUMP/EEC. FOUND INTERNALLY DAMAGED VSV ACTUATOR, WHICH WAS CAUSING ENGINE TO DRAG, PREVENTING ENGINE FROM OBTAINING IDLE SPE
- [SDR FDEA202307031138](https://openairdocs.org/sdr/FDEA202307031138.md): Cap · corroded · Jul 3, 2023 · N521FE · Doug MD11F · Wing Main, Frame Structure
  > LEFT HAND WING TRAILING EDGE OUTBOARD ISLAND COMPARTMENT LOWER SPAR CAP FOUND WITH CORROSION AT STATION XORS 1045 - XORS 1083. CORROSION AT LEFT HAND WING TRAILING EDGE OUTBOARD ISLAND COMPARTMENT LOWER SPAR CAP AT STATION XORS 1045 - XORS 1083 REMOVED AS
- [SDR FDEA202306291128](https://openairdocs.org/sdr/FDEA202306291128.md): Skin · corroded · Jun 29, 2023 · N521FE · Doug MD11F · Fuselage Main, Plate/Skin
  > EMPENNAGE-AFT ACCESSORY COMPARTMENT RIGHT HAND SIDE APPROXIMATE STATION 2135- 2145 AROUND LONGERON 35 RIGHT FOUND CORRODED. CORROSION AT EMPENNAGE-AFT ACCESSORY COMPARTMENT ON SKIN RIGHT HAND SIDE APPROXIMATE STATION 2135-2145 AROUND LONGERON 35 RIGHT REM
- [SDR FDEA202306291127](https://openairdocs.org/sdr/FDEA202306291127.md): Skin · cracked · Jun 29, 2023 · N521FE · Doug MD11F · Wing, Plate/Skin
  > HIGH FREQUENCY EDDY CURRENT INSP FOUND CRACK INDICATION APPROXIMATE 0.2" IN LENGTH AT LT WING FIXED LEADING EDGE SKIN ADJACENT TO CUTOUT AT CORNER NR 11 FUEL ACCESS DOOR AT FWD INBD CORNER APPROX XOS 612. CRACKED SKIN AT LT WING FIXED LE. REPAIRED IAW SR
- [SDR FDEA202306271114](https://openairdocs.org/sdr/FDEA202306271114.md): Doubler · cracked · Jun 27, 2023 · N521FE · Doug MD11F · Wing, Plate/Skin
  > LEFT HAND WING FIXED LEADING EDGE INTERNAL BEADED DOUBLER FOUND CRACK AT STATION XOS 879. LEFT HAND WING FIXED LEADING EDGE INTERNAL DOUBLER AT STATION XOS 879 REPAIR CARRIED OUT AS PER MD-11 SRM 57-40-02-2R REPAIR 15 FIGURE 203.REPAIR CLASSIFIED AS MAJ
- [SDR FDEA202306271113](https://openairdocs.org/sdr/FDEA202306271113.md): Doubler · cracked · Jun 27, 2023 · N521FE · Doug MD11F · Wing, Plate/Skin
  > LEFT HAND WING FIXED LEADING EDGE INTERNAL BEADED DOUBLER FOUND CRACK AT STATION XOS 769. LEFT HAND WING FIXED LEADING EDGE INTERNAL DOUBLER AT STATION XOS 769 REPAIR CARRIED OUT AS PER MD-11 SRM 57-40-02-2R REPAIR 15 FIGURE 203.REPAIR CLASSIFIED AS MAJOR
- [SDR FDEA202306271112](https://openairdocs.org/sdr/FDEA202306271112.md): Doubler · cracked · Jun 27, 2023 · N521FE · Doug MD11F · Wing, Plate/Skin
  > LEFT HAND WING FIXED LEADING EDGE INTERNAL BEADED DOUBLER FOUND CRACK AT STATION XOS 769. LEFT HAND WING FIXED LEADING EDGE INTERNAL DOUBLER AT STATION XOS 769 REPAIR CARRIED OUT AS PER MD-11 SRM 57-40-02-2R REPAIR 15 FIGURE 203.REPAIR CLASSIFIED AS MAJ
- [SDR FDEA202306271111](https://openairdocs.org/sdr/FDEA202306271111.md): Doubler · cracked · Jun 27, 2023 · N521FE · Doug MD11F · Wing, Plate/Skin
  > LEFT HAND WING FIXED LEADING EDGE INTERNAL BEADED DOUBLER FOUND CRACK AT STATION XOS 647. LEFT HAND WING FIXED LEADING EDGE INTERNAL DOUBLER AT STATION XOS 647 REPAIR CARRIED OUT AS PER MD-11 SRM 57-40-02-2R REPAIR 15 FIGURE 203.REPAIR CLASSIFIED AS MAJ

Next page: https://openairdocs.org/aircraft/N521FE/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 n_number = 'N521FE' AND registry_match = 'registration'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/aircraft/N521FE/reports

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