# SDR 2002UALA01673

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2002
- Submitted: November 26, 2002
- Operation: Air carrier
- Aircraft: N198UA
- Make and model: Boeing 747422
- Aircraft serial: 28716
- Aircraft time: 22,526 hours, 2,784 cycles
- Engine: Pwa PW4056
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Part number: 732591F
- Part serial: 4411
- Condition: Failed
- Location: Cabin
- Part time: 22,526 hours, 2,783 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2002UALA01673

## Discrepancy

SMOKE SMELL IN CABIN.  LWR REC FAN STATUS MESSAGE.  FOUND LOWER RIGHT HAND FAN MOTOR BEARINGS FAILED.  REPLACED FAN MOTOR.

---
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.