# SDR UALA2013032701969

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2013
- Submitted: May 22, 2013
- Operation: Air carrier
- Aircraft: [N648UA](https://openairdocs.org/aircraft/N648UA), registered now
- Make and model: Boeing 767322
- Aircraft serial: 25285
- Aircraft time: 87,325 hours, 13,920 cycles
- Engine: Pwa PW4060
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Filter
- Condition: Defective
- 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/UALA2013032701969

## Discrepancy

INFLIGHT COCKPIT AIR NOISE TOO LOUD RECIRC FANS NOISY.  REPLACED RECIRC HEPA FILTERS.

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