# SDR FDEA202203070430

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 7, 2022
- Submitted: March 9, 2022
- Operation: Air carrier
- Aircraft: [N521FE](https://openairdocs.org/aircraft/N521FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48478
- Aircraft time: 84,867 hours, 15,993 cycles
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: None
- Condition: Corroded
- Location: Zone 600
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202203070430

## Discrepancy

RH MLG RETRACT ACTUATOR A FRAME BOLTS LOOSE AFTER REMOVAL FOUND FRAYING SURFACE CORROSION REMOVED FAYING SURFACE PITTING/CORROSION IAW NTSPM PT8, AND MD-11 57-20-14. PERFORMED FPI OF UPPER   BOLT HOLES NO DEFECTS NOTED. REF NTSPM 06-10-01. REF EA 1-5720-T0367173 B PT2 AND MD-11 SRM 57-  20-14-2R. SEE JPF FOR DETAILS.

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