# SDR 2024F00125

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 30, 2024
- Submitted: May 3, 2024
- Operation: General aviation
- Aircraft: N458AN
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Aircraft serial: 27458
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Regulator
- Part number: 1074926
- Part serial: 11300
- Condition: Failed
- Location: Zone 100
- Stage of operation: CL
- How discovered: 9
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2024F00125

## Discrepancy

QRF SRE/SRE DUE TO CABIN ALTITUDE WARNING AFTER TAKEOFF AND CLIMB WITH INDICATION RIGHT POINTER IN ZERO, REMAINING PACK UBNABLE TO CONTROL CABIN. CABIN CLIMB WITH 2800FPM. CABIN REACHES 13500 FTS.

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