SDR ASAA2021080835656

Service difficulty report · Ignition Sys · Boeing 737890

Difficulty date: August 8, 2021
Submitted: August 10, 2021
Operation: Air carrier
Aircraft: N587AS
Make and model: Boeing 737890
Aircraft serial: 35684
Aircraft time: 49,440 hours, 14,341 cycles
System (JASC): 7400 · Ignition System
Part: Ignition Sys
Condition: Faulted
Location: Lt Engine
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

DURING LEFT ENGINE START, NO IGNITION, FUEL FLOW DROPPED, ABORTED START. GROUNDED - YES. P6-3, B4 SPAR VALVE ENG 1, P18-2, A1 ENG 1 RIGHT, A3 ENG 1 LEFT (IGNITION). C/B'S RESET, NO HISTORY. REF B737-800 AMM 20-60-01. GATE #1 ENG RUN OPS NML.