Service difficulty report · Overheat Sys · Boeing 7377H4

Difficulty date
July 27, 2026
Submitted
August 1, 2026
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
54,704 hours, 33,759 cycles
Part
Overheat Sys
Condition
Illuminated
Location
Zone 400
Stage of operation
NR
How discovered
O
Nature of condition
O
Precautionary procedure
O

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

What was found

ENG 2 OVERHEAT LIGHT ILLUMINATED ON START, R & R NR 2 ENGINE CORE RT & LT FIRE DETECTOR IAW MM 26-11-01. R & R NR 2 ENGINE FAN UPPER AND LOWER FIRE DETECTOR IAW MM 26-11-01. R & R ENGINE AND APU FIRE DETECTION CONTROL MODULE (M279) IAW MM 26-10-01.

More about the Boeing 737-7H4