# SDR IPXA2020041754336

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 9, 2020
- Submitted: April 17, 2020
- Operation: Air carrier
- Aircraft: [N278UP](https://openairdocs.org/aircraft/N278UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48577
- Aircraft time: 72,270 hours, 13,630 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: APB74761
- Condition: Cracked
- Location: Fuselage
- 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/IPXA2020041754336

## Discrepancy

INSPECTION TYPE:3CCENTER WING BOX STRINGER # 50 IS CRACKED AT STA. X=81.REPAIRED CRACKED CENTER WING BOX STRINGER # 50 BETWEEN STA. XCW= 58 AND XCW= 118.2 IAW SRM 57-10-03 REPAIR 1 FIG. 201. (MAJOR)

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