# SDR IPXA2023070693602

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 7, 2023
- Submitted: July 7, 2023
- Operation: Air carrier
- Aircraft: [N273UP](https://openairdocs.org/aircraft/N273UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48574
- Aircraft time: 73,940 hours, 15,931 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Stringer
- Part number: APB74761
- Condition: Cracked
- Location: Zone 100
- 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/IPXA2023070693602

## Discrepancy

INSPECTION TYPE:3CUPPER CENTER AUXILIARY TANK HAS A CRACK BETWEEN STA XCW=81 AND XCW=17 ON LOWER STRINGER 49.REPAIRED CRACKED LOWER STRINGER 49 AT THE UPPER CENTER AUXILIARY TANK  BETWEEN STA XCW=81 AND XCW=17 IAW 57-10-03 REPAIR 1 FIG 201. (MAJOR)

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