Service difficulty report · Exciter · Boeing 7379

Difficulty date
June 5, 2023
Submitted
June 8, 2023
Operation
Air carrier
Aircraft
N978AK
Make and model
Boeing 7379
Aircraft serial
43348
Aircraft time
3,498 hours, 1,016 cycles
Part
Exciter
Part number
2569M32P02
Part serial
UNLHR817
Condition
Faulty
Location
#2 Engine
Part time
3,529 hours, 1,028 cycles
Stage of operation
NR
How discovered
V
Nature of condition
O
Precautionary procedure
D

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

What was found

NEGATIVE IGNITION ON #2 ENGINE START. VERY LOW FUEL FLOW WHEN START LEVER RAISED TO IDLE (.26) THEN WENT TO ZERO. GROUNDED - YES. REMOVED AND REPLACED R IGNTION EXCITER IAW B737-9 AMM 74-11-01-400-02-GOO REMOVED AND REPLACED R IGNITER PLUG IAW AMM 74-21-02/401 OPS CHECK GOOD PERFORMED IGNITION SYSTEM TEST IAW AMM 71-00-00-730-804-G00.

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