# SDR DALA2025031802061

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 17, 2025
- Submitted: March 18, 2025
- Operation: Air carrier
- Aircraft: [N651DL](https://openairdocs.org/aircraft/N651DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 24391
- Aircraft time: 92,574 hours, 40,508 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Clamp
- Condition: Missing
- Location: Air Duct
- Stage of operation: CL
- 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/DALA2025031802061

## Discrepancy

SHIP 0651 -DIV/PRESS/DE- DIV TO SEA. UNABLE TO MAINTAIN CABIN PRESSURIZATION DURING MTC REPOSITION FERRY IN SINGLE PACK CONFIGURATION. CORRECTIVE ACTION: REPLACED UPPER SECONDARY COUPLING SEALS, REPLACED MISSING BOOT CLAMP ON RT AIR DUCT, REPLACED DUCT ASSY, INSTALLED LOW LIMIT VALVE ELBOW, HOUSING AND SEALS. C/W NO GO ODI.

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