# SDR AALA20180302007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2018
- Submitted: March 6, 2018
- Operation: Air carrier
- Aircraft: [N948AN](https://openairdocs.org/aircraft/N948AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30086
- Aircraft time: 52,970 hours, 21,558 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: 18173812
- Part serial: 3264
- Condition: Faulty
- Location: Te Flaps
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20180302007

## Discrepancy

FLAPS ASSYMETRICAL AT 1 DEGREE, OCCURED AFTER TAKEOFF ON FLAP RETRACTION,  FROM 1 DEGREE AND HAD TAKE OFF CONFIGURATION ALERT JUST AFTER ROTATION WITH JUST TWO ALERTS. EMERGENCY DECLARED,  LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE REPLACED THE FLAP TRANSMITTER AND BYPASS VALVE AND PERFORMED A SATISFACTORY OPS CHECK.  AIRCRAFT WAS GROUNDED

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