Service difficulty report · Hmu · Boeing 73776N

Difficulty date
May 12, 2005
Submitted
June 13, 2005
Operation
Air carrier
Aircraft
N742AL
Make and model
Boeing 73776N
Aircraft serial
30830
Engine
Cfmint CFM567B22
Engine time
14,477 hours, 3,994 cycles
Part
Hmu
Part number
442317
Part serial
BECW1103
Condition
Defective
Location
Nr 2 Engine
Stage of operation
TX
How discovered
C
Nature of condition
X, L
Precautionary procedure
D

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

What was found

ETOPS, MAINTENANCE RUN: NR 2 ENGINE FLAMED OUT DURING ENGINE RUN. THE ENGINE RUN WAS PERFORMED AFTER A HEAVY PHASE CHECK. REMOVED AND REPLACED NR 2 ENGINE FUEL PUMP AND HMU PER MM 73-21-10-4 AND 73-11-01-4. LEAK AND OPS CHECK GOOD PER MM 71-00-00. NO FAULTS NOTED. AIRCRAFT RETURNED TO SERVICE 5/14/05.

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