# SDR UALA2010072302634

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 23, 2010
- Submitted: July 23, 2010
- Operation: Air carrier
- Aircraft: N597UA
- Make and model: Boeing 757222
- Aircraft serial: 28750
- Aircraft time: 45,474 hours, 12,701 cycles
- Engine: Pwa PW2037
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Cooling Fan
- Part number: 731376A
- Part serial: 106
- Condition: Malfunctioned
- Location: E&E Bay
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: H
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UALA2010072302634

## Discrepancy

FOUND EQUIPMENT COOLING SUPPLY FAN 1 CIRCUIT BREAKER TRIPPED ON P6 AT F17.  FWD EQ COOLING FAN INOP.  CB PULLED AND COLLARED.  AC ROUTED NON-ETOPS TO HNL FOR FIX.  REPLACED NR 1 COOLING FAN PER MM.  OPS CHECK NORMAL.

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