# SDR 99ZZZX1894

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: N372LB
- Make and model: Colt 77A
- Registry model: [Colt 77A](https://openairdocs.org/model/colt-balloons-77a) (OpenAirDocs)
- Aircraft serial: 5014
- System (JASC): [5102 · Balloon Reports](https://openairdocs.org/jasc/5102)
- Part: Seat Carrier
- Part number: BU11
- Condition: Compressed
- Location: Burner
- Part time: 118 hours
- Component: BU002001
- Stage of operation: NR
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX1894

## Discrepancy

RUBBER RING ON SEAT CARRIER COMPRESSED BEYOND LIMITS SUCH THAT WHEN BLAST-VALVE HANDLE WAS AT REST (NOT ACTIVATED), THE SEAT CARRIER WAS NOT ABLE TO PRODUCE A SEAL WITH MAIN VALVE BLOCK.  SUSPECT SEAT CARRIER WAS NOT THICK ENOUGH OR VALVE-WEAR-PAD WAS TOO THICK.

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