Service difficulty report · Control Module · Boeing 737924ER

Difficulty date
September 19, 2026
Submitted
September 21, 2026
Operation
Air carrier
Aircraft
N37422
Make and model
Boeing 737924ER
Aircraft serial
31620
Aircraft time
57,433 hours, 20,539 cycles
Engine
Cfmint CFM567B27
Part
Control Module
Part number
35008307
Part serial
2578
Condition
Damaged
Location
Overheat Detect
Part time
48,284 hours, 17,809 cycles
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
B, A

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

What was found

LEFT WING BODY OVHT LIGHT AFTER TAKE OFF, LIGHT REMAINED ON AFTER CHECKLI ST IAW FIM 26-18 TASK 801 PERFORMED BITE OF WHEEL WELL FIRE, WING & BODY OVERHEAT DETECTION CONTROL MODULE. FOUND MAINT MSG 14 (LEFT WING LE - ALARM). R & R WHEEL WELL FIRE WING & BODY OVERHEAT DETECTION UNIT IAW AMM 26-18-01. OPS CHKD GOOD.