# SDR FDEA202209232380

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2022
- Submitted: September 29, 2022
- Operation: Air carrier
- Aircraft: [N591FE](https://openairdocs.org/aircraft/N591FE), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48527
- Aircraft time: 90,954 hours, 20,509 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Doubler
- Part number: APB7209
- Condition: Cracked
- Location: Central Tank
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/FDEA202209232380

## Discrepancy

LH SIDE OF OVER THE WING TANK AT SLANT PANEL AREA AT LOCATION APPROX. STA. 1370   BETWEEN APPROX. STA LBL 100 TO LBL 88: APB7240-9 INTERNAL TANK DOUBLER HAS EXISTING   DAMAGE AT LOWER FASTENER HOLE.  FABRICATED NEW DOUBLER PER DWG APB7240 AND MD11 SRM 51-31-01-0G. SEE JPF OVER  MAJOR REPAIR.

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