SDR ASAA2022032937826

Service difficulty report · Igniter · Boeing 737890

Difficulty date: March 29, 2022
Submitted: March 31, 2022
Operation: Air carrier
Aircraft: N562AS
Make and model: Boeing 737890
Aircraft serial: 35091
Aircraft time: 57,183 hours, 16,864 cycles
Engine: Ge CFM567B24
System (JASC): 7420 · Ignition Harness (Distribution)
Part: Igniter
Part number: 5188881
Condition: Failed
Location: #1 Engine
Stage of operation: NR
How discovered: O
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

#1 ENGINE R IGNITION INOP. GROUNDED - YES. PERFORMED #1 ENGINE IGNITION SYSTEM AUDIBLE TEST PER B737-800 AMM 74-00-00-750-801-F01, RIGHT IGNITOR WEAK. REF B737-800 FIM 74-21 TASK 807 REMOVED RIGHT IGNITER PLUG ON ENG #1 AND FOUND FAILED IGNITER PLUG. REPLACED RIGHT IGNITER PLUG REF AMM 74-21-02. PERFORMED AUDIBLE TEST, OPS CK GOOD. PERFORMED ENG START/RUN ON IGN "R", SUCCESSFUL START REF AMM 71-00-00, FAULT CORRECTED.