# SDR QXEA2015020900072

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2015
- Submitted: February 12, 2015
- Operation: Air carrier
- Aircraft: N420QX
- Make and model: Bombdr DHC8402
- Aircraft serial: 4147
- Aircraft time: 19,771 hours, 21,158 cycles
- System (JASC): [5230 · Cargo/Baggage Doors](https://openairdocs.org/jasc/5230)
- Part: Seal
- Part number: 502213
- Condition: Failed
- Location: Cargo Door
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/QXEA2015020900072

## Discrepancy

DESCENDING THROUGH 3500' HEARD A LOUD BOOM FOLLOWED BY THE PRESSURIZATION BECOMING ERRATIC.  LANDING UNEVENTFUL.FOUND AFT CARGO DOOR SEAL DAMAGED.  REMOVED DOOR SEAL IAW AMM TASK 52-31-26-000-801, INSTALLED AFT BAG DOOR SEAL IAW AMM TASK 52-31-26-400-801.  FUNCTION TEST OF DOOR SEAL GOOD.  RETURN TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.