# SDR IPXA2023042192955

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 5, 2023
- Submitted: April 24, 2023
- 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: 79,580 hours, 14,459 cycles
- System (JASC): [5300 · Fuselage Structure (General)](https://openairdocs.org/jasc/5300)
- Part: Longeron
- Part number: AFA77541
- Condition: Corroded
- Location: Ctr Cargo Bilge
- 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/IPXA2023042192955

## Discrepancy

INSPECTION TYPE:3C*MAJOR REPAIR* CTR CARGO L/H SLOPE AREA AT STA 1801-1821 LONGERON 39L HAS CORROSION .REPAIRED CORRODED LONGERON 39 AT THE CTR CARGO L/H SLOPE AREA AT STA 1801-1821 IAW SRM 53-00-05 REPAIR 1. (MAJOR)

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