# SDR CA020402002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2002
- Submitted: April 26, 2002
- Operation: General aviation
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft time: 70,023 hours
- Engine: Pwa JT8D9A
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Wire
- Part number: 654583042
- Condition: Broken
- Location: Door Warning
- Stage of operation: CL
- How discovered: O
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA020402002

## Discrepancy

(CAN) AFTER TAKEOFF OUT OF YWG, A/C WOULD NOT PRESSURIZE. NON NORMAL AUTO-FAIL CHECKLIST EXECUTED BUT DID NOT CORRECT PROBLEM. A/C LEVELED OFF AT 9,000 FT AND RETURN TO BASE.  LANDED IN YWG W/O INCIDENT. MAINTENANCE INSPECTION DISCOVERED E/E SERVICE DOOR OPEN AND DOOR WARNING LIGHT UNSERVICABLE. MAINT FOUND BROKEN WIRE TERMINAL ON E/E DOOR WARNING SWITCH.  WIRE REPLACED IAW MM 52-71-00 AND GROUND CHECKED SERVICEABLE.  SERVICE DOOR CLOSED AND  RETURNED TO SERVICE WITH NO FURTHER INCIDENTS TO REPORT.

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