Service difficulty report · Hmu · Boeing 737824

Difficulty date
June 5, 2017
Submitted
June 5, 2017
Operation
Air carrier
Aircraft
N37287
Make and model
Boeing 737824
Aircraft serial
31636
Aircraft time
43,928 hours, 15,238 cycles
Engine
CFM56
Part
Hmu
Part number
1853M56P12
Part serial
3595
Condition
Faulty
Location
Nr 2 Engine
Part time
40,418 hours, 14,112 cycles
Stage of operation
TX
How discovered
O
Nature of condition
R, X
Precautionary procedure
D

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

What was found

ADVANCED POWER FOR INITIAL TAXI AND NR 2 ENGINE DID NOT ACCELERATE. THEN FLAMED OUT. NO MESSAGE ALERT. PERFOMED TROUBLESHOOTING IAW FIM 73-06-00-810-807-F00. NO FAULTS FOUND. REMOVED AND REPLACED HMU IAW AMM 73-21-400-801. REMOVED AND REPLACED ENGINE DRIVEN FUEL PUMP IAW AMM 73-11-01-400-801-F00. ALL REQUIRED TEST COMPLETED , LEAK CHECK & ENGINE RUN SUCSESSFUL .