SDR ASAA2017052420872

Service difficulty report · Engine · Boeing 737890

Difficulty date: May 24, 2017
Submitted: May 26, 2017
Operation: Air carrier
Aircraft: N513AS
Make and model: Boeing 737890
Aircraft serial: 35192
Aircraft time: 33,176 hours, 9,946 cycles
Engine: Cfmint CFM567B27
System (JASC): 7420 · Ignition Harness (Distribution)
Part: Engine
Condition: Hung Start
Location: Nr 1
Stage of operation: TX
How discovered: O
Nature of condition: J
Precautionary procedure: D

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

What was found

NR 1 ENGINE HUNG START. FUEL FLOW AND EGT NORMAL. HUNG 45% N2. ACFT GROUNDED. PERFORMED FIM TASK 74-21, TASK 806, NO FAULTS NOTED. PERFORMED FIM TASK 73-00, TASK 801. NO DEFAULTS. NO RECENT FAULTS. NO FAULT HISTORY. PERFORMED NR 1 ENGINE RUN FOR 5 MINUTES, NORMAL START, NORMAL PARAMETERS. PERFORMED NR 1 ENGINE IGNITION TEST FROM CAPTAIN'S LRU. NO FAULTS. BOTH IGNITERS MAKE A POPPING NOISE.