What was found
TOT FOR ENGINE #2 MISSING WITH FLI DEGRADE IN LOWER MESSAGE ZONE. TOT INDICATION ALSO MISSING FROM ENG STATUS PAGE (VEMD LANE 2). REMOVED AND REPLACED #2 ENG THERMOCOUPLE BOX IAW SAFRAN 77-22-00-900-801-A01.
- Difficulty date
- September 12, 2025
- Submitted
- September 12, 2025
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 9155
- Aircraft time
- 5,048 hours
- System (JASC)
- 7720 · Engine Temperature Indicating System
- Part
- Thermocouple
- Part number
- 0177887050
- Part serial
- 2122MA
- Condition
- Failed
- Location
- Engine Bay
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- F
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.