# SDR UPS02239958

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 4, 2002
- Submitted: December 11, 2002
- Operation: Air carrier
- Aircraft: [N925UP](https://openairdocs.org/aircraft/N925UP), registered now
- Make and model: Boeing 727-31C
- Registry model: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (OpenAirDocs)
- Aircraft serial: 19230
- System (JASC): [3231 · Landing Gear Door Retract Section](https://openairdocs.org/jasc/3231)
- Part: Door
- Condition: Out Of Rig
- Location: Nlg
- Stage of operation: CR
- 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/UPS02239958

## Discrepancy

NOISE FROM NLG AREA DURING FLIGHT, WITH RED DOOR WARNING INDICATION.  LEVEL AT FL260, MACH 0.82, 342 KIAS.  HEARD LOUD THUMPING FROM FRONT OF AIRCRAFT WITH ASSCOCIATED RED 'DOORS' ANNUNCIATOR, SLOWED TO MACH 0.80 AND CONDITION WENT AWAY.  PERFORMED NLG DOOR RIG PER MM 32-22-01, CK GOOD

---
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.
