# SDR DL72L970480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 13, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N513DA](https://openairdocs.org/aircraft/N513DA), registered now
- Make and model: Boeing 727232
- Aircraft serial: 21315
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Control Valve
- Condition: Inoperative
- Location: Rt Pack Flow
- Stage of operation: CR
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL72L970480

## Discrepancy

AFTER TAKEOFF APPROXIMATELY 5,000 MSL, THE CARGO VALVE CLOSED.  IT ILLUMINATED  AT LEVEL OFF FL 280.  THE CABIN CONTINUED TO CLB REACHING A MAX OF 9,000 FEET.  CABIN ALT DIFF OF 6 PSID.  ATB CVG.   REPLACED RT PACK FLOW CONT VALVE.  FOUND RT ACM INOPERATIVE.  FWD RT ACM TO MCO/PLAC PER MEL 21-00-01C.

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