Service difficulty report · Start Valve · Boeing 737990ER

Difficulty date
May 28, 2020
Submitted
June 2, 2020
Operation
Air carrier
Aircraft
N453AS
Make and model
Boeing 737990ER
Aircraft serial
36354
Aircraft time
25,028 hours, 7,966 cycles
Engine
Cfmint CFM567B27E
Part
Start Valve
Part number
32896302
Part serial
7272
Condition
Failed
Location
Nr 2 Engine
Part time
55,609 hours, 24,937 cycles
Stage of operation
TX
How discovered
O
Nature of condition
O
Precautionary procedure
D

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

What was found

ON ENGINE START NR 2 ENGINE FAILED TO START. NR N1 START VALVE DIDN'T OPEN. REMOVED & REPLACED NR 2 ENGINE START VALVE IAW AMM 80-11-03.