# SDR 96UAL900555

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 18, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N306UA](https://openairdocs.org/aircraft/N306UA), registered now
- Make and model: Boeing 737322
- Aircraft serial: 23667
- Engine: Ge CFM56*
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Fan
- Condition: Malfunctioned
- Location: Cabin
- Stage of operation: CL
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/96UAL900555

## Discrepancy

EXHAUST COOLING FAN OFF LIGHT ILLUMINATED ON CLIMBOUT.  LIGHT STAYED OFF WHEN SWITCHED TO ALT FAN.  LIGHT STAYED ON UNTIL DESCENT WHEN BOTH NORMAL AND ALT FANS WORKED OK.

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