# SDR IPXA2026050139587

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2026
- Submitted: May 1, 2026
- Operation: Air carrier
- Aircraft: [N581UP](https://openairdocs.org/aircraft/N581UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25866
- Aircraft time: 131,905 hours, 22,189 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- Part: Restraint
- Part number: 74251001
- Part serial: UP63387
- Condition: Inoperative
- 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/IPXA2026050139587

## Discrepancy

FWD CARGO AFT MOST DOOR SILL ROLLOUT LOCK WON`T STAY UP LOCK 59.   I.A.W AMM25-54-02-000-801 REV116 AND I.A.W AMM25-54-02-400-801 REV116 REPLACE DOOR SILL ROLLOUT WITH NEW PARTS.

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