SDR ASAA2017021119772

Service difficulty report · Igniter · Boeing 737990ER

Difficulty date: February 11, 2017
Submitted: February 14, 2017
Operation: Air carrier
Aircraft: N459AS
Make and model: Boeing 737990ER
Aircraft serial: 36352
Aircraft time: 11,672 hours, 3,862 cycles
Engine: Cfmint CFM567B27E
System (JASC): 7421 · Spark Plug/Igniter
Part: Igniter
Part number: 90722151
Condition: Failed
Location: Left
Stage of operation: TX
How discovered: O
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 1 ENGINE FAILED TO START ON LEFT IGNITOR, GOOD START ON RIGHT IGNITOR. ACFT GROUNDED. PERFORMED FIM 74-21 TASK 808, NO MAINT MESSAGES NOTED ON EEC BITE, NO AUDIBLE CONFIRMATIONS HEARD, REMOVED AND REPLACED LEFT MAIN IGNITER PLUG IAW AMM 74-21-02, OPS CHECKED GOOD,