# SDR CALA2022041801013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2022
- Submitted: April 18, 2022
- Operation: Air carrier
- Aircraft: [N27733](https://openairdocs.org/aircraft/N27733), registered now
- Make and model: Boeing 737724
- Aircraft serial: 28800
- Aircraft time: 71,873 hours, 25,736 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Position Sensor
- Part number: 29275990001
- Condition: Inoperative
- Location: Left
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2022041801013

## Discrepancy

TRAILING EDGE  FLAP DISAGREE ON APPROACH ALT FLAP EXTN LOCKING LGOPAGE UNLOCKING FOR S/O REF LOG8405001,INSTALLED LEFT HAND FLAP POSITION TRANSMITTER REF AMM 27-58-01-400-801. ALL TESTS PASS. ADD EMP:U192656,U221680

---
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.