# SDR USAA20100408SB047

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 7, 2010
- Submitted: April 8, 2010
- Operation: Air carrier
- Aircraft: N453UW
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24980
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Module
- Part number: 6937319136
- Part serial: 1093
- Condition: Faulty
- Location: Cockpit
- Stage of operation: AP
- How discovered: O
- Nature of condition: B
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/USAA20100408SB047

## Discrepancy

CLT - ON APPROACH INTO CLT, FROM FLL, CREW REPORTED THE LEFT PACK SMELLS HOT/WET.  A BAD (STINKY) SMELL WAS NOTED IN THE CABIN.  FLIGHT LANDED WITHOUT FURTHER INCIDENT.  MAINTENANCE REMOVED AND REPLACED THE COCKPIT P5-10 AIR CONDITIONING MODULE IN ASSOCIATION WITH MM 21-61-03.  OPERATIONAL CHECK GOOD.  NO ODORS NOTED.

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