SDR ASAA2014060508091

Service difficulty report · Igniter · Boeing 737890

Difficulty date: June 5, 2014
Submitted: June 9, 2014
Operation: Air carrier
Aircraft: N534AS
Make and model: Boeing 737890
Aircraft serial: 35202
Aircraft time: 13,654 hours, 3,987 cycles
System (JASC): 4940 · APU Start/Ignition System
Part: Igniter
Part number: WE38884391
Condition: Failed
Location: Apu
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

APU FAULT LIGHT ILLUMINATED. ACFT GROUNDED. VERIFIED FAULT LIGHT IAW FIM TASK 802. NO IGNITION. REPLACED APU IGNITOR PLUG, LEAD, & IGNITION UNIT REF TASK 49-41-31-000-801, 49-41-51-000-801, 49-41-31-400-801 & 49-41-51-400-801. ACCOMPLISHED APU STARTING AND OPS TASK 49-11-00-860-801, OPS/RUN NORMAL, NO FAULTS.