Service difficulty report · Igniter · Boeing 737990ER

Difficulty date
December 21, 2016
Submitted
December 23, 2016
Operation
Air carrier
Aircraft
N471AS
Make and model
Boeing 737990ER
Aircraft serial
41703
Aircraft time
8,824 hours, 2,910 cycles
Engine
Cfmint CFM567B27E
Part
Igniter
Part number
90722151
Condition
Failed
Location
Nr 2 Engine
Stage of operation
TX
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

NR 2 ENGINE WOULD NOT START WITH IGNITION SWITCH IN LEFT, BUT DID START WITH IGNITION SWITCH IN RIGHT. ACFT GROUNDED. PERFORMED EEC BITE TEST, NO FAULTS FOUND IAW FIM 74-21 TASK 806. INSPECTED NR 2 ENG LT IGNITION LEAD, NO DEFECTS NOTED IAW AMM 74-21-01 REMOVED & INSPECTED THE LT IGNITOR, FOUND TO BE WORN AND ARCED, REPLACED THE LT IGNITOR, PERFORMED AUDIBLE GROUND TEST, OPS NORMAL IAW AMM 74-21-02.