# SDR IPXA2026042072963

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 1, 2026
- Submitted: April 29, 2026
- Operation: Air carrier
- Aircraft: [N575UP](https://openairdocs.org/aircraft/N575UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 35664
- Aircraft time: 63,822 hours, 10,023 cycles
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Ring
- Part number: 491B1320001039
- Condition: Cracked
- 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/IPXA2026042072963

## Discrepancy

CRACKED ACSR-ON ENG-2 , R/H THRUST REVERSER HALF.   IAW AMM 78-31-01-004-001-J00 REV 116 REMOVED THE T/R HALF. RII NO.2 ENG R/H THRUST REVERSER HALF OK TO INSTALLED CHECKED OK AND INSTALLED CHECKED OK.

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