Service difficulty report · Ignition Unit · Boeing 737890

Difficulty date
June 14, 2016
Submitted
June 16, 2016
Operation
Air carrier
Aircraft
N538AS
Make and model
Boeing 737890
Aircraft serial
41188
Aircraft time
16,173 hours, 4,709 cycles
Part
Ignition Unit
Part number
38880587
Part serial
016971100095
Condition
Failed
Location
Apu
Part time
1,400 hours, 2,905 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

DURING APU START, FAULT LIGHT ILLUMINATED. ACFT GROUNDED. R & R IGNITER PLUG, REF AMM 49-41-51/401, NO FIX. R & R IGNITION UNIT, REF AMM 49-41-31/401. OPS CHECKS GOOD AT THIS TIME.