# SDR DXTA2021101750460

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 17, 2021
- Submitted: October 22, 2021
- Operation: Air carrier
- Aircraft: N647QS
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605547
- Aircraft time: 14,185 hours, 10,991 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Seal
- Part number: 952211
- Condition: Defective
- Location: Zone 200
- Stage of operation: TO
- How discovered: O
- Nature of condition: O
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2021101750460

## Discrepancy

CREW ABORTED TAKEOFF (AT 10 KTS) AFTER HEARING LOUD BOOM COMING FROM THE BACK. NO ANNUNCIATORS WERE PRESENT. CREW NOTICED A LARGE HOLE ON THE ACOUSTIC SEAL AND CONSTANT LOUD HISSING COMING FROM HOLE. // SIGNOFF // FOUND ACOUSTIC SEALS LEAKING AND UPPER CHANNEL ASSEMBLY CRACKED. REMOVED AND REPLACED UPPER, LOWER FWD, AND LOWER AFT ACOUSTIC INFLATABLE SEALS AND UPPER CHANNEL ASSEMBLY IAW CE560XL MM 52-10·04, OPERATIONAL AND LEAKED CHECK GOOD IAW CE560XL MM 36-15-00. NO DEFECTS NOTED.

---
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.