Service difficulty report · Control Module · Boeing 7377H4

Difficulty date
April 28, 2025
Submitted
May 1, 2025
Operation
Air carrier
Aircraft
N276WN
Make and model
Boeing 7377H4
Aircraft serial
32530
Aircraft time
58,602 hours, 35,419 cycles
Part
Control Module
Condition
Faulted
Location
Fire Detect
Stage of operation
CL
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

ENG #1 OVERHEAT DURING CLIMB THROUGH 9K COMPLETED QRC/QRH LIGHT EXTINGUISHED<[01] PERFORMED FIM TASK 26-10 TASK 810 NO FAULTS FOUND. REMOVED AND REPLACED ENGINE & APU FIRE DETECTION CONTROL MODULE AS PER AMM 26-10-01. AIRCRAFT STILL REQUIRES HIGH POWER ENGINE RUN.E58067.;[02] PERFORMED POWER ASSUARANCE TEST 5 AT 65% N1 AND FOUND TO BE WITHIN LIMITS PER AMM 71-00-00. OPS CHECK PASSED.

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