# SDR IPXA2026061524162

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2026
- Submitted: June 16, 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: Rub Strip
- Part number: 491B1330008055
- Condition: Broken
- Location: Zone 400
- 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/IPXA2026061524162

## Discrepancy

BROKEN AND MISSING STRIP AND RIVETS, NR 2 ENG LT THRUST REVERSER L/E WEAR STRIP.  INSTALL NEW STRIP AND RIVET IAW AMM INTRODUCTION SIP REV 116, & IPC 78-32-21 REV 96, & AIPC 78-31-00-55, REV 61, AND SRM 51-40-02-0G, REV 106.

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