# SDR AALA202404294489

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 28, 2024
- Submitted: April 29, 2024
- Operation: Air carrier
- Aircraft: [N406AN](https://openairdocs.org/aircraft/N406AN), registered now
- Make and model: Airbus A321-253NX
- Registry model: [Airbus A321-253NX](https://openairdocs.org/model/airbus-a321-253nx) (OpenAirDocs)
- Aircraft serial: 8834
- Aircraft time: 15,905 hours, 4,386 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Control Unit
- Part number: D27510043001AF
- Condition: Defective
- Location: Te Flaps
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202404294489

## Discrepancy

AIRCRAFT WAS GROUNDED: FLAP HANDLE WAS MECHANICALLY JAMMED, PREVENTING AFT MOVEMENT FROM 3 TO FULL. BOTH CAPTAIN AND FIRST OFFICER ATTEMPTED SEVERAL TIMES TO MOVE THE HANDLE WITHOUT SUCCESS. AIRCRAFT LANDED 3 FLAP. AFTER LANDING HANDLE EASILY MOVED TO FULL POSITION. MAINTENANCE REPLACED THE SENSOR COMMAND UNIT (AALA202404295715) AND THE FLAP CONTROL UNIT (AALA202404294489) PER AMM 27-51-43-400-001-A.

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