Service difficulty report · Exciter · Boeing 757256

Difficulty date
March 20, 2015
Submitted
March 21, 2015
Operation
Air carrier
Aircraft
N801DM
Make and model
Boeing 757256
Aircraft serial
26240
Aircraft time
20,041 hours, 13,497 cycles
Engine
Rroyce RB211535E437
System (JASC)
7412 · Exciter
Part
Exciter
Part number
44760
Part serial
665
Condition
Abnormal
Location
Nr 1 Engine
Stage of operation
IN
How discovered
9
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

WHEN NR 1 IGNITION SYSTEM SELECTED. RIGHT ENGINE LIGHTOFF OCCURS MORE THAN 20SECONDS AFTER INITIAL FUEL APPLICATION. FLIGHT CREW OPERATING MANUAL STATES LESS THAN 20 SECONDS