# SDR UALA2011081504296

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 14, 2011
- Submitted: September 2, 2011
- Operation: Air carrier
- Aircraft: [N503UA](https://openairdocs.org/aircraft/N503UA), registered now
- Make and model: Boeing 757222
- Aircraft serial: 24624
- Aircraft time: 71,298 hours, 26,758 cycles
- Engine: Pwa PW2037
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Unknown
- Condition: Obstructed
- Location: Cockpit
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2011081504296

## Discrepancy

COCKPIT AIR NOISE: OVERHEAD DIST SYSTEM IS PARTIALLY OBSTRUCTED, WITH NO AIRFLOW FORWARD OF ROW 4 AND NONE AFT OF ROW 29.  CLEANED AFFECTED AREAS.

---
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.