Service difficulty report · Hmu · Boeing 767328

Difficulty date
March 22, 2023
Submitted
March 28, 2023
Operation
General aviation
Make and model
Boeing 767328
Aircraft serial
27427
Part
Hmu
Part number
442274
Part serial
BECK3658
Condition
Failed
Location
Zone 400
Stage of operation
TX
How discovered
V
Nature of condition
M
Precautionary procedure
D

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RIGHT ENGINE START ABORTED DUR TO HOT START 715°C. FLIGHT CANCELLED. CORRECTIVE ACTION: WAS PERFORMED FIM 71-06 FAULT TREE 822 AND WAS REPLACED HMU IAW AMM 73-21-14/401 AND WAS PERFORMED TEST 71-00-00/501 CONFIG 3 TEST 1 AND 3. NORMAL OPERATION.