# SDR 97UAL900301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 15, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N7441U
- Make and model: Boeing 727222
- Aircraft serial: 21895
- Engine: Pwa JT8D15
- System (JASC): [2780 · Leading Edge Slat Control System](https://openairdocs.org/jasc/2780)
- Part: Transmitter
- Part number: 6560961
- Condition: Failed
- Location: Le Flaps
- Stage of operation: TO
- Nature of condition: F, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97UAL900301

## Discrepancy

ON TAKEOFF DURING FLAP RETRACTION, SPLIT FLAPS OCCURRED.  O/B FLAPS FROZE AT 15 I/B, FLAPS CONTINUED RETRACTING.  ALT FLAP EXTENSION PROCEDURE PERFORMED BUT L/E DEVICES WOULD NOT RETRACT.  ALT FLAPS USED TO EXTEND FLAPS FOR NORMAL LAND PDX.  *S/D*  REPLACED LEFT OUTBOARD FLAP TRANSMITTER, FLAPS OPERATED NORMALLY.

---
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.
