# SDR DALA2020122104177

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2020
- Submitted: December 21, 2020
- Operation: Air carrier
- Aircraft: [N906DN](https://openairdocs.org/aircraft/N906DN), registered now
- Make and model: Boeing 737-900ER
- Registry model: [Boeing 737-900ER](https://openairdocs.org/model/boeing-737-900er) (OpenAirDocs)
- Aircraft serial: 64879
- Aircraft time: 6,636 hours, 2,624 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Part number: 90004532
- Part serial: 2539
- Condition: Inoperative
- Location: Flap Sys
- Part time: 6,633 hours, 2,623 cycles
- 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/DALA2020122104177

## Discrepancy

DE/FLAPS- DECLARED EMERGENCY INTO ONT DUE TO FLAPS WOULD NOT EXTEND ON APPROACH.  PERFORMED GO AROUND, SECOND ATTEMPT SUCCESSFUL.  CORRECTIVE ACTION: PERFORMED FSEU BITE FAULT CODE 27-52260 (TE FLAP SNSR R).  REPLACED RIGHT FLAP POSITION TRANSMITTER.  OPERATIONS CHECKS GOOD.  AIRCRAFT RETURNED TO SERVICE.

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