# SDR DLM90992189

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 2, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N904DA
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53384
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Valve
- Part number: 3965822
- Condition: Inop
- Location: Lt Pack
- 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/DLM90992189

## Discrepancy

LT PACK FLOW OF ABOUT 20 PERCENT FLOW LIGHT ON FROM T/O TO 10,000.  NO CHANGE IN FLOW PERCENT.  RATE OF A/C CLIMBING SLOWED TO 1000 PPM, STILL HAD FLOW LITE.  REPLACED LT PACK FLOW CONTROL VALVE.  A/C PRESSURIZED GOOD.

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