# SDR IPXA2025032010191

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 12, 2025
- Submitted: April 10, 2025
- Operation: Air carrier
- Aircraft: [N289UP](https://openairdocs.org/aircraft/N289UP), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48455
- Aircraft time: 107,451 hours, 21,886 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Longeron
- Part number: AAA70881
- Condition: Corroded
- Location: Zone 100
- 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/IPXA2025032010191

## Discrepancy

LONGERON 52 AT STA 1120 (CAC BAY) HAS CORROSION, FWD OF ACCESS DOOR. NO STICKER, PM040, ATA 53-10.  INSTALLED REPLAMENT LONGERON SPLICE AND REINSTALLED 2EA. INTERCOSTAL AT LONERON 52 STA. 1120 PER MD11 SRM 51-33-01.

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