# SDR SWAA2021041262588

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2021
- Submitted: April 12, 2021
- Operation: Air carrier
- Aircraft: [N229WN](https://openairdocs.org/aircraft/N229WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32498
- Aircraft time: 51,963 hours, 30,850 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Sensor
- Part number: 90004212
- Part serial: 15862
- Condition: Split
- Location: Lt Te Flap Skew
- Stage of operation: AP
- 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/SWAA2021041262588

## Discrepancy

-SPLIT FLAP ON APPROACH WHILE SETTING FLAPS TO 15. LEFT STOPPER AT '7'; RIGHT STOPPED AT '10.' / R&R #4 FLAP SKEW DETECTION SENSOR PER AMM 27-59-01 OPS CHECK O.K. RAR #94486 POS 4 P/N OFF/ON 9000421-2 S/N OFF 15862 S/N ON 17742

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