What was found
DURING ROUTINE HEATER PRESSURE DECAY TEST HEATER WAS REMOVED AND INSPECTED. COMBUSTION CHAMBER/TUBE WAS FOUND CRUSHED INWARD ON ALL SIDES BUT NOT LEAKING. IF HEATER SHROUD WAS NOT REMOVED,CONDITION WOULD NOT HAVE BEEN DISCOVERED.
- Difficulty date
- July 25, 2011
- Submitted
- July 29, 2011
- Operation
- General aviation
- Aircraft
- N91TS
- Make and model
- Piper PA31T2
- Aircraft serial
- 31T8020050
- Aircraft time
- 7,580 hours
- Engine
- Pwa PT6A60A
- System (JASC)
- 2140 · Heating System
- Part
- Tube
- Condition
- Collapsed
- Location
- Heater
- Part time
- 193 hours, 300 cycles
- Component
- Heater · Janitrol
- Component part number
- FR10E214EL
- Stage of operation
- IN
- How discovered
- C
- Nature of condition
- L
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.