Service difficulty report · Start Valve · Boeing 737724

Difficulty date
August 17, 2026
Submitted
August 20, 2026
Operation
Air carrier
Aircraft
N24715
Make and model
Boeing 737724
Aircraft serial
28786
Aircraft time
85,793 hours, 31,870 cycles
Engine
Cfmint CFM567B242
Part
Start Valve
Part number
32896305
Part serial
8910
Condition
Faulty
Location
Nr 1
Part time
56,561 hours, 21,189 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

ENGINE START START VALVE OPEN MESSAGE FLASHES FOR UP TO 10 SECONDS & THEN STAYS ON DURING ENGINE OPS. T/S E1 START VALVE OPEN ANNUNCIATOR LIGHT IN FLIGHT TO FAULTY START VALVE INDICATION. R & R NR 1 START VALVE IAW AMM 80-11-03. OPS CHKD OK, INDICATION OK.