# SDR AALA2019082099029

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2019
- Submitted: August 20, 2019
- Operation: Air carrier
- Aircraft: [N979AN](https://openairdocs.org/aircraft/N979AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29568
- Aircraft time: 32,249 hours, 12,890 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: 181738
- Condition: Failed
- Location: Rt Wing Te Flap
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019082099029

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS ON APPROACH INTO BWI, CREW REPORTED A FLAP ISSUE. EMERGENCY WAS DECLARED. MAINTENANCE TROUBLESHOT PSEU AND FOUND RIGHT FLAP SENSOR FAULT. REPLACED RIGHT FLAP SENSOR IAW AMM 27-58-01-400-801. OPS CHECK GOOD.

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