Service difficulty report · Exciter · Boeing 737990ER

Difficulty date
March 15, 2018
Submitted
March 16, 2018
Operation
Air carrier
Aircraft
N413AS
Make and model
Boeing 737990ER
Aircraft serial
35205
Aircraft time
19,996 hours, 6,527 cycles
Engine
Cfmint CFM567B27E
Part
Exciter
Part number
9238M66P11
Part serial
UNL53231
Condition
Failed
Location
Nr 2 Engine
Part time
15,805 hours, 5,204 cycles
Stage of operation
TX
How discovered
O
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

UNABLE TO START THE NR 2 ENGINE IGNITION SYS RT. ENGINE STARTS ON IGNITION SYSTEM LT. ACFT GROUNDED. REPLACED BOTH THE LT AND RT IGNITERS ON THE NR 2 ENGINE IAW AMM 74-21-02. REMOVED AND REPLACED THE LT EXCITER IAW AMM 74-11-01. OPS CHECKED GOOD IAW AMM 71-00-00.