# SDR FDEA202109012180

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 1, 2021
- Submitted: September 17, 2021
- 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: 84,111 hours, 15,761 cycles
- System (JASC): [5347 · Fuselage, Seat/Cargo Attach Fittings](https://openairdocs.org/jasc/5347)
- Part: Seat Track
- Part number: A5A70821
- Condition: Corroded
- Location: Cabin
- 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/FDEA202109012180

## Discrepancy

CABIN - LEFT HAND STATION 5-04 X=8.5 SEAT TRACK FOUND CORROSION. CORROSION AT CABIN SEAT TRACK STATION 5-04, X=8.5 LEFT HAND AND FOUND EXCEED LIMIT   AS PER SRM 53-00-52-1A ALLOWABLE DAMAGE 1 FIGURE 101 AND CARRIED OUT SEAT TRACK   SEGMENT REPAIRED FROM STATION 5-0 TO 5-21, X=8.5 LEFT HAND AS PER SRM 53-00-52-2R   REPAIR 1 FIGURE 201. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.

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