# SDR AALA20100125ORD01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 24, 2010
- Submitted: August 20, 2010
- Operation: Air carrier
- Aircraft: [N772AN](https://openairdocs.org/aircraft/N772AN), registered now
- Make and model: Boeing 777223
- Aircraft serial: 29580
- Aircraft time: 44,614 hours, 6,110 cycles
- System (JASC): [2121 · Air Distribution Fan](https://openairdocs.org/jasc/2121)
- Part: Cooling Fan
- Part number: 4100941B
- Condition: Failed
- Location: E&E Bay
- Stage of operation: CR
- How discovered: O
- Nature of condition: B, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20100125ORD01

## Discrepancy

ORD - CREW REPORTED EQUIPMENT VENT FAN STATUS MESSAGE IN CRUISE.  PILOTS SEATED IN FIRST CLASS REPORTED ELECTRICAL SMELL AROUND THE TIME THE COCKPIT CREW RECEIVED THE STATUS MESSAGE.  REPLACED THE EQUIPMENT COOLING VENT FAN.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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