# SDR DL757992716

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 11, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N637DL
- Make and model: Boeing 757232
- Aircraft serial: 23760
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Switch
- Part number: 273N20873
- Condition: Failed
- Location: Mlg
- Stage of operation: TO
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL757992716

## Discrepancy

INBOUND PILOT REPORT, GEAR FAILED TO RETRACT NORMALLY AFTER T/O.  GEAR HANDLE LOCKED IN THE OFF POSITION.  LOCK OVERRIDE USED TO RAISE GEAR.  REPLACED RT AND LT MLG TILT PRESSURE SWITCH.  REPLACED THE SHUTTLE VLV.  ALSO, REPLACED THE LT TILT ACT.  ALL CHECKED NORMAL DURING LANDING GEAR SWING.

---
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.