# SDR AALA20171214008

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 14, 2017
- Submitted: December 19, 2017
- Operation: Air carrier
- Aircraft: [N979NN](https://openairdocs.org/aircraft/N979NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31228
- Aircraft time: 7,364 hours, 2,884 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Condition: Malfunctioned
- Location: Lt Wing Te Flaps
- Stage of operation: LD
- How discovered: 9
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20171214008

## Discrepancy

AIRCRAFT WAS GROUNDED: DECLARED EMERGENCY, ON DOWNWIND FLAPS STOPPED AT 1/2 DEGREE WITH LEFT TRANSIT LIGHT ILLUMINATED. MOVED FLAP LEVER BACK TO UP WITH NO MOVEMENT. FOLLOWED QRH PROCEDURE AND MOVED FLAP LEVER BACK TO 1 DEGREE. AFTER LANDING FLAPS MOVED TO 1 DEGREE WITH GREEN LE EXIT LIGHT. REMOVED AND REPLACED LEFT FLAP POSTION TRANSMITTER. ACCOMPLISHED ALL REQUIRED TEST. OPERATIONAL CHECK GOOD. PER FIM 27-51-00-810-813.

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