# SDR YYFA20111105001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 5, 2011
- Submitted: November 7, 2011
- Operation: Air carrier
- Aircraft: N120MN
- Make and model: Doug MD 83
- Registry model: [Doug MD 83](https://openairdocs.org/model/mcdonnell-douglas-md-83) (OpenAirDocs)
- Aircraft serial: 53120
- Aircraft time: 38,934 hours, 40,388 cycles
- Engine: Pwa JT8D219
- System (JASC): [3220 · Nose/Tail Landing Gear](https://openairdocs.org/jasc/3220)
- Part: Unknown
- Condition: Noisy
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/YYFA20111105001

## Discrepancy

AFTER TAKE OFF, GEAR RETRACTION, HEARD LOUD NOISE.  NOISE CONTINUED FOR 45 SECONDS, EXTENTED GEAR NOISE STOPPED, WHEN RETRACTED NOISE RETURNED, AFTER 3 RETRACTIONS WITH NOISE CONTINUING, RETURNED TO BASE.

---
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.