# SDR SWAA030647

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 20, 2003
- Submitted: March 25, 2003
- Operation: Air carrier
- Aircraft: N777QC
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 30592
- Aircraft time: 9,971 hours, 5,788 cycles
- System (JASC): [4950 · APU Bleed Air System](https://openairdocs.org/jasc/4950)
- Part: Clamp
- Part number: BACC10JJ400E
- Condition: Loose
- Location: Apu
- Stage of operation: DE
- 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/SWAA030647

## Discrepancy

CABIN WOULD ONLY DESCEND WITH BOTH A/C PACKS IN HIGH POSITION.  FOUND CLAMP LOOSE OF APU DUCT AT BS 1016 PRESS BULKHEAD.  SECURED CLAMP, NO LEAKS NOTED PER MM.

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