SDR ASAA2013012093719

Service difficulty report · Igniter · Boeing 737890

Difficulty date: January 20, 2013
Submitted: January 24, 2013
Operation: Air carrier
Aircraft: N597AS
Make and model: Boeing 737890
Aircraft serial: 35689
Aircraft time: 18,369 hours, 5,805 cycles
Engine: Cfmint CFM567B27
System (JASC): 4940 · APU Start/Ignition System
Part: Igniter
Part number: CH31769
Condition: Inoperative
Location: Apu
Stage of operation: NR
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

APU INOP, DUE TO NO FLAME SHUTDOWN, FAULT CODE 49-41011. ACFT GROUNDED. PERFORMED FIM TASK 49-40 TASK 802 BITE CHECKS NO CURRENT FAULTS, START/OPERATION/SHUTDOWN CHECKS GOOD, INLET PLENUM AND COMPRESSOR INLET CLEAR. BITE CHECKS GOOD 5 START CYCLES, NO HISTORY 90 DAYS. REPLACED APU IGNITER PLUG OPS CKD GOOD, REF MM 49-41-51.