# SDR IPXA2021051369356

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2021
- Submitted: May 14, 2021
- Operation: Air carrier
- Aircraft: [N291UP](https://openairdocs.org/aircraft/N291UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48477
- Aircraft time: 77,006 hours, 13,225 cycles
- System (JASC): [5313 · Fuselage Main, Longeron/Stringer](https://openairdocs.org/jasc/5313)
- Part: Longeron
- Part number: AFA77911
- Condition: Corroded
- Location: Center Cargo
- 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/IPXA2021051369356

## Discrepancy

INSPECTION TYPE:3CLOWER AFT FUSELAGE SKIN BULGING AT STA 1781 AND LONGERON 42L.REPAIRED CORRODED LOWER AFT FUSELAGE LONGERON 42L BETWEEN STA 1771 - 1801 IAW SRM 53-00-05, REPAIR 1, FIGURE 201/202. (MAJOR)

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