# SDR SWAA2022080437846

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 3, 2022
- Submitted: August 4, 2022
- Operation: Air carrier
- Aircraft: N7838A
- Make and model: Boeing 737-73V
- Registry model: [Boeing 737-73V](https://openairdocs.org/model/boeing-737-73v) (OpenAirDocs)
- Aircraft serial: 30235
- Aircraft time: 60,884 hours, 37,386 cycles
- System (JASC): [3830 · Waste Disposal System](https://openairdocs.org/jasc/3830)
- Part: Flex Line
- Part number: BOE21430019
- Condition: Leaking
- Location: Aft Cargo
- Stage of operation: DE
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2022080437846

## Discrepancy

DURING DESCENT PASSING FL 280 THE CABIN ALT WARNING HORN WENT OFF. THE CABIN ALT WAS 14;000. WE INITIATED A RAPID DESCENT. EMER. DECLARED & LANDING WAS UNEVENTFUL INTO OAK. / [01] PERFORMED EXCESSIVE CABIN PRESSURE LEAKAGE INSPECTION REF AMM 05-51-91. REF L/P 2335179 FOR REPLACEMENT OF VACUUM WASTE BLOWER FLEXIBLE LINE AND R/H PACK WATER SEPARATOR BAND CLAMP. C/W MT 721-00-01. OK FOR SERVICE.

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