# SDR TSAA9921425

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 8, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N819AL](https://openairdocs.org/aircraft/N819AL), registered now
- Make and model: Boeing 737-25A
- Registry model: [Boeing 737-25A](https://openairdocs.org/model/boeing-737-25a) (OpenAirDocs)
- Aircraft serial: 23791
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 7638101
- Condition: Inoperative
- 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/TSAA9921425

## Discrepancy

FLT 270 - HNL-KOA - EN ROUTE TO KONA, AIRCRAFT PRESSURIZATION FAILED.  RETURNED TO HNL.  UNEVENTFUL LANDING.  FOUND AC AND DC MANUAL C/B'S OPEN FOR PRESSURIZATION CONTROL.  REMOVED AND REPLACED CABIN PRESSURE CONTROLLER.  GROUND CHECK OK. AIRCRAFT RETURNED TO SERVICE.  (M)

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