# SDR SWAA2020111630162

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 12, 2020
- Submitted: November 16, 2020
- Operation: Air carrier
- Aircraft: [N500WR](https://openairdocs.org/aircraft/N500WR), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36898
- Aircraft time: 22,486 hours, 9,968 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Position Sensor
- Part number: 18173812
- Part serial: 5619
- Condition: Faulted
- Location: Te Flaps
- Stage of operation: AP
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2020111630162

## Discrepancy

ON APPROACH INTO MDW THE FLAPS STOPPED AT 8 DEGREE WHEN SELECTED TO 15 ON THE LEVER. DIVERTED TO MKE AND FLAPS WORKED USING ALTERNATE FLAP SELECTOR TO 15 DEGREE.  REMOVED AND REPLACED FLAP POSITION SENSOR, PER AMM 27-58-01.  OPERATIONS CHECK GOOD ISSUE NR 3078754 POS/LT TAG/701440 P/N OFF/ON 18-1738-12 S/N OFF 5619 S/N ON 2235.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
