# SDR DL757020509

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 6, 2002
- Submitted: May 30, 2002
- Operation: Air carrier
- Aircraft: N638DL
- Make and model: Boeing 757232
- Aircraft serial: 23761
- Aircraft time: 47,165 hours, 23,504 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Panel
- Part number: 1305026
- Part serial: 71139
- Condition: Faulty
- Location: Cockpit
- Stage of operation: AP
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL757020509

## Discrepancy

CABIN DEPRESSURIZED AT 3000 FEET.  BITE CHECK OF NR 1 AND NR 2 PRESSURIZATION CONTROLLERS REVEALS NO FAULTS.  REPLACED CABIN PRESSURIZATION SELECTOR PANEL AS PRECAUTIONARY CHECKS GOOD.

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