# SDR AALA201605139001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 12, 2016
- Submitted: May 13, 2016
- Operation: Air carrier
- Aircraft: [N536UW](https://openairdocs.org/aircraft/N536UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 4025
- Aircraft time: 21,183 hours, 8,388 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Bolt
- Part number: AN411A
- Condition: Unsecure
- Location: Nlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201605139001

## Discrepancy

RETURNED & ACFT WAS GNDED.  AFTER TAKEOFF & LG RETRACTION LG SHOCK ABSORBER FAULT, FOLLOWED BY AUTO FLT & AUTO THRUST FAULT.  ACFT RETURNED WHERE THE ACFT LANDED SAFELY.  FOUND TARGET FOR 24GA & 25GA TRAVELED PAST SENSOR DUE TO ATTACHMENT BOLT NOT SECURED.  REPLACED ATTACH BOLT & LOCKING WASHER, ADJUSTED 24GA & 25GA IAW AMM 32-31-73-820-006-A & ACCOMPLISHED A SATISFACTORY NLG FUNCTIONAL TEST OF NORMAL EXTENSION & RETRACTION IAW AMM 32-31-00-720-003-A.

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