# SDR 2003UALA00454

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 30, 2003
- Submitted: June 17, 2003
- Operation: Air carrier
- Aircraft: N590UA
- Make and model: Boeing 757222
- Aircraft serial: 28708
- Aircraft time: 21,800 hours, 5,926 cycles
- Engine: Pwa PW2037
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Bearing
- Condition: Failed
- Location: Blower
- Component: Blower
- Component part number: 033638
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2003UALA00454

## Discrepancy

EICAS STATUS MESSAGE FWD CARGO DET AIR DISPLAYED.  NR 1 LOWER CARGO SMOKE DETECTION SYSTEM BLOWER MOTOR ASSY FAILED.  SHOP FINDINGS REVEALED REAR ROTOR BEARING WILL NOT ROTATE.  REAR ROTOR BEARING FAILURE.

---
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.