SDR ASAA2017081721676

Service difficulty report · Ignition Sys · Boeing 737890

Difficulty date: August 17, 2017
Submitted: August 21, 2017
Operation: Air carrier
Aircraft: N583AS
Make and model: Boeing 737890
Aircraft serial: 35681
Aircraft time: 38,401 hours, 11,339 cycles
System (JASC): 7400 · Ignition System
Part: Ignition Sys
Condition: Malfunctioned
Location: Left Engine
Stage of operation: TX
How discovered: V
Nature of condition: O
Precautionary procedure: K

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

What was found

DURING THE NR 1 ENG START, NO EGT RISE ON LEFT IGNITION. ATTEMPTED TO SWITCH IGNITION TO RIGHT AND ENGINE STARTED NORMAL. ACFT GROUNDED. ACCOMPLISHED GROUND VERIFICATION IAW FIM 74-21 TASK 806. PERFORMED A BITE CHECK, NO FAULTS FOUND. PERFORMED IGNITION SYSTEM AUDIBLE TEST, CHECKED GOOD IAW AMM 74-00-00-750-801-F00, RAN THE NR 1 ENGINE ON LT IGNITION SYSTEM, OP'S CHECKED GOOD, NO RECENT HISTORY.