SDR ASAA2016070517279

Service difficulty report · Warning Light · Boeing 737890

Difficulty date: July 5, 2016
Submitted: July 11, 2016
Operation: Air carrier
Aircraft: N558AS
Make and model: Boeing 737890
Aircraft serial: 35177
Aircraft time: 38,461 hours, 11,246 cycles
System (JASC): 4900 · Airborne Auxiliary Power Unit (APU) System
Part: Warning Light
Condition: Illuminated
Location: Apu
Stage of operation: NR
How discovered: 9
Nature of condition: J
Precautionary procedure: O

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

What was found

ATTEMPTED APU START, NO START, FAULT CODE 49-41012, "NO APU ROTATION SHUTDOWN". ACFT GROUNDED. PERFORMED IAW FIM TASK 49-40 TASK 803, A THRU E. NO HISTORY 30 DAYS, CURRENT STATUS SHOWS NO FAULTS. STARTED APU AND LOAD TESTED. OPERATION NORMAL.