SDR ASAA2013061295094

Service difficulty report · Igniter · Boeing 737890

Difficulty date: June 12, 2013
Submitted: June 18, 2013
Operation: Air carrier
Aircraft: N506AS
Make and model: Boeing 737890
Aircraft serial: 35690
Aircraft time: 19,104 hours, 5,982 cycles
Engine: Cfmint CFM567B27
System (JASC): 7421 · Spark Plug/Igniter
Part: Igniter
Part number: 90722151
Condition: Failed
Location: Nr1 Engine
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

NR 1 ENGINE HAD NO LIGHT-OFF (IGNITION LT WAS SELECTED) ACFT GROUNDED. PERFORMED FIM TASK 74-21, TASK 806, FOUND LT IGNITER PLUG BAD. REPLACED NR 1 ENG LT IGNITER PLUG IAW MM 74-21-02-400-801, MM 74-21-02-000-801, MM 74-21-02-200-801. PERFORMED AUDIBLE TEST IAW MM 74-00-00-750-801 AND THEN STARTED NR 1 ENG FROM LT IGNITER, OPS CHECKED GOOD.