# SDR IPXA2021100174476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2021
- Submitted: October 4, 2021
- Operation: Air carrier
- Aircraft: [N252UP](https://openairdocs.org/aircraft/N252UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48768
- Aircraft time: 61,181 hours, 14,062 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Stringer
- Part number: APB74761
- Condition: Cracked
- Location: Center Tank
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2021100174476

## Discrepancy

INSPECTION TYPE:3CCENTER WING TNK STRINGER 50 IS CRACKED AT STA XCW= 46.50. REPAIRED CRACKED CENTER WING TANK STRINGER BETWEEN STA. XCW= 34 AND XCW= 58 IAW SRM 57-10-03 REPAIR 1 FIG. 201. (MAJOR)

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