# SDR AALA202208011176

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2022
- Submitted: August 1, 2022
- Operation: Air carrier
- Aircraft: [N925AN](https://openairdocs.org/aircraft/N925AN), registered now
- Make and model: Boeing 737
- Aircraft serial: 29526
- Aircraft time: 63,994 hours, 26,314 cycles
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Control Unit
- Condition: Faulty
- Location: Zone 200 - Fuse
- Stage of operation: AP
- 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/AALA202208011176

## Discrepancy

AIRCRAFT WAS GROUNDED: ON APPROACH INTO CUR FLAPS FAILED TO EXTEND NORMALLY. USED ALTERNATE EXTENSION AND LANDED FLAPS 15 DEGREE. EMERGENCY WAS DECLARED. ACCOMPLISHED BUILT IN TEST EQUIPMENT OF FLAP SLAT ELECTRONIC UNIT. FAULTED NUMBER 8 PROXIMITY SENSOR. (RIGHT OUT BOARD). REPLACED NUMBER 8 PROXIMITY SENSOR (AALA202208013849). THEN PER FIM,REPLACED THE FLAP SLAT ELECTRONIC UNIT (AALA202208011176). OPERATIONS CHECKS NORMALLY ON GROUND.

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