# SDR 2006FA0000159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 30, 2006
- Submitted: January 30, 2006
- Operation: General aviation
- Aircraft: N766MH
- Make and model: Cessna 650
- Registry model: [Cessna 650](https://openairdocs.org/model/cessna-650) (OpenAirDocs)
- Aircraft serial: 6500015
- System (JASC): [2170 · Humidity Control System](https://openairdocs.org/jasc/2170)
- Part: Water Separator
- Part number: 728802
- Condition: Separated
- Location: A/C Bay
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2006FA0000159

## Discrepancy

EXPERIENCED AN ABRUPT CABIN PRESS FLUCTUATION DURING FLT.  FLT CREW REPORTED, ABLE TO MAINTAIN CABIN ALT WITHIN LIMITS AFTER NOTICED PROBLEM.  AFTER THIS A/C LANDED MX PERSONNEL DISCOVERED ONE OF THE ENVIRONMENTAL CONTROL SYS WATER SEPARATOR UNITS HAD SEPARATED DURING FLT.  AFFECTED WATER SEPARATOR IS MANUF WITH A CLAMP FLANGE (WHERE THE MAIN V-BAND THAT ALLOWS DISASSEMBLY OF THE UNIT FOR SERVICING IS INSTALLED) THAT IS BONDED TO FWD AND AFT SECTIONS OF UNIT.  BONDING MAT`L HAD APPARENTLY LOST ABILITY TO KEEP FLANGE ADHERED TO BODY OF UNIT ALLOWING UNIT TO SEPARATE AND CAUSE LOSS OF PRESS..

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