What was found
(CAN) NR 1 ENG DRIVEN HYD PUMP ADAPTER PLATE CRACKED. THE CRACK CAUSED ONE OF FOUR HYD PUMP ATTACH STUDS TO SEPARATE FROM THE MOUNT. HYD PUMP FUNCTION & SECURITY OF ATTACHMENT WAS NOT AFFECTED.
- Difficulty date
- June 24, 2015
- Submitted
- August 5, 2015
- Operation
- Air carrier
- Make and model
- Cvac 340CVAC
- Aircraft time
- 72,503 hours
- Engine
- Allsn 501D13D
- Propeller
- Allsn A6441*
- System (JASC)
- 2913 · Hydraulic Pump (Electric/Engine), Main
- Part
- Adapter
- Part number
- AN4138
- Condition
- Cracked
- Location
- Nr 1 Engine
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.