# SDR DL757060821

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2006
- Submitted: October 6, 2006
- Operation: Air carrier
- Aircraft: N630DL
- Make and model: Boeing 757232
- Aircraft serial: 22920
- Aircraft time: 62,157 hours, 30,016 cycles
- Engine: Pwa PW2037
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 211738813
- Part serial: 112331
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DL757060821

## Discrepancy

AC DID AN EMERGENCY DECENT DO TO LOSS OF CONTROL OF CABIN  IN AUTO .5.  NO FAULTS ON CABIN PRESS CONT 1 OR 2.   ALL DOOR SEALS GOOD OVER PRESS VLVS NORMAL. REPLACED NR 1 CABIN PRESS CONTROLLER. PRESSURIZED SYS. PRESSURIZATION WAS GOOD DECAY RATE NORMAL

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