# SDR IPXA2020120863218

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2020
- Submitted: December 9, 2020
- Operation: Air carrier
- Aircraft: [N339UP](https://openairdocs.org/aircraft/N339UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 37859
- Aircraft time: 26,797 hours, 9,336 cycles
- System (JASC): [2751 · Trailing Flap Position Indicating System](https://openairdocs.org/jasc/2751)
- Part: Transmitter
- Condition: Malfunctioned
- Location: Te Flaps
- 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/IPXA2020120863218

## Discrepancy

INSPECTION TYPE: NA, EMERGENCY DECLARED-NO EQUIPMENT USED.  TRAILING EDGE DISAGREE ON APPROACH WHEN SELECTING FLAPS 5 DEG TO 20 DEG.  QRH PROCEDURE COMPLETED.  TRAILING EDGE ALTN SYSTEM USED PER QRH.  FLAPS OPERATED NORMALLY VIA ALTN SYSTEM.  NORMAL LANDING ACCOMPLISHED.  TROUBLESHOT ,PER FIM 27-51-00-815-839 THRU SHEET 4 BLOCK 31.  PERFORMED ADJ/CHECK OF POS TRANS, FOUND TRANSMITTER M473 TO BE OUT OF TOLERANCE AND WOULD NOT ADJ INTO ALLOWABLE RANGE.  M473 REQUIRES R & R.  REMOVED AND REPLACED NR 1 (M473)POS XMITTER, PER AMM 27-51-45-022-002,

---
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.