# SDR 9WGA2025042854615

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2025
- Submitted: April 28, 2025
- Operation: Air carrier
- Aircraft: [N546JN](https://openairdocs.org/aircraft/N546JN), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48546
- Aircraft time: 82,975 hours, 14,974 cycles
- System (JASC): [5720 · Wing Miscellaneous Structure](https://openairdocs.org/jasc/5720)
- Part: Mount
- Condition: Corroded
- Location: Zone 500
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9WGA2025042854615

## Discrepancy

DURING HEAVY MAINTENACE PNL 513AT MOUNT FLANGE HAS SURFACE CORROSION.  REMOVED SURFACE CORROSION BY HAND AT LEFT WING ACCESS PNL 531AT ATTACHING FLANGE IAW MD-11 SRM 51-21-01 PAR. 36 NO MATERIAL LOSS.  THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.

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