# SDR IPXA2026060858286

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 26, 2026
- Submitted: June 9, 2026
- Operation: Air carrier
- Aircraft: [N577UP](https://openairdocs.org/aircraft/N577UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35666
- Aircraft time: 63,511 hours, 9,924 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Door
- Part number: 491B1220000049
- Part serial: UP74155
- Condition: Chafed
- Location: Thrust Reverser
- 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/IPXA2026060858286

## Discrepancy

CHAFING - SKIN, NO. 1 ENG R/H T/R BLOWOUT DOOR INNER L/E SKIN.  IAW SRM 51-40-02-0G REV. 106 AND ST ENGINEERING IPC 78-32-22 REV. 96 INSTALLED NEW BLOWOUT DOOR.

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