# SDR AALA2020072989020

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 27, 2020
- Submitted: July 29, 2020
- Operation: Air carrier
- Aircraft: [N122NN](https://openairdocs.org/aircraft/N122NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6252
- Aircraft time: 20,123 hours, 5,674 cycles
- System (JASC): [3211 · Main Landing Gear Attach Section](https://openairdocs.org/jasc/3211)
- Part: Pin
- Part number: 201383604
- Part serial: 14MDC00898
- Condition: Corroded
- Location: Rt Mlg
- 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/AALA2020072989020

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CORROSION AND PITTING OF RH MLG UPPER TORQUE LINK PIN. INSTALLED 8130 UPPER TORQUE LINK PIN AND GREASED ZERK SHAFT IAW AMM 32-11-27-401.

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