# SDR AALA2020090869018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 2020
- Submitted: September 8, 2020
- Operation: Air carrier
- Aircraft: [N854NN](https://openairdocs.org/aircraft/N854NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33214
- Aircraft time: 30,908 hours, 12,598 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: 18173812
- Condition: Inoperative
- Location: Rt Wing Te Flaps
- Stage of operation: DE
- 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/AALA2020090869018

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING CONFIGURATION FOR LANDING, FLAP GAUGE INDICATED FLAP ASYMMETRY BETWEEN FLAP 0 AND FLAP 1 SETTINGS; FLIGHT CREW ACCOMPLISHED FLAPS UP LANDING CHECKLIST, FLAP GAUGE NORMALIZED AFTER SELECTION OF A DIFFERENT FLAP SETTING. NO ROLL ENCOUNTERED. FLIGHT DECLARED AN EMERGENCY, LANDED NORMALLY, AND ARRIVED AT GATE WITHOUT FURTHER ISSUE. REPLACED RH FLAP POSITION TRANSMITTER WITH NEW IAW AMM 27-58-01, OPS CHECK GOOD.

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