# SDR AALA202508181293

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 17, 2025
- Submitted: August 18, 2025
- Operation: Air carrier
- Aircraft: [N183UW](https://openairdocs.org/aircraft/N183UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1539
- Aircraft time: 76,959 hours, 29,923 cycles
- System (JASC): [5420 · Nacelle/Pylon Miscellaneous Structure](https://openairdocs.org/jasc/5420)
- Part: Pin
- Condition: Worn
- 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/AALA202508181293

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: #1 ENGINE AFT MOUNT INBOARD SIDE CROSS BEAM ATTACHMENT SHEAR PIN INNER SURFACE WORN. REPLACED SHEAR PIN PER AMM 71-22-11.

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