# SDR 2025F00114

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 27, 2025
- Submitted: May 5, 2025
- Operation: General aviation
- 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: Duct
- Part number: 65515578
- Condition: Broken
- Location: Zone 100
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2025F00114

## Discrepancy

QRF TO SLCB FLIGHT 8532 DUE TO THE FOLLOWING: 1) LH WING BODY OVERHEAT LIGHT ILLUMINATED DURING CRUISE FL3500 FOLLOWED BY CABIN ALTITUDE WARNING ILLUMINATED. 2) RIGHT PACK DOES NOT SUPPORT CABIN PRESSURE BELOW FL2500. CORRECTIVE ACTION:  1) HAS BEEN CLEANED ELECTRICAL CONNECTOR D850 2) HAS BEEN CHANGED AIR COND DUCT ON HEAT EXCHANGER.

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