# SDR UPS01234744

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2001
- Submitted: January 29, 2001
- Operation: Air carrier
- Aircraft: N939UP
- Make and model: Boeing 727-27C
- Registry model: [Boeing 727-27C](https://openairdocs.org/model/boeing-727-27c) (OpenAirDocs)
- Aircraft serial: 19532
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Nut
- Condition: Loose
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS01234744

## Discrepancy

INSPECTION TYPE:N/A AFTER GEAR RETRACTION RIGHT MAIN GEAR DOOR WARNING AND RED GEAR DOOR LIGHTS REMAINED ILLUMINATED.  SELECTED GEAR UP 2 TIMES BEFORE LIGHTS EXTINGUISHED.  FOUND RT GEAR DOOR WARNING SWITCH, JAM NUTS LOOSE, TIGHTENED JAM NUTS AND RE-SAFTIED NUTS, PERFORMED ADJ AND TEST PER MM 32-62-11.  RT GEAR DOOR WARNING OPS CKS OK THIS CLEARS M 207973.

---
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.