SDR CALA2014012990265

Service difficulty report · Apu · Boeing 757222

Difficulty date: January 29, 2014
Submitted: January 31, 2014
Operation: Air carrier
Aircraft: N568UA
Make and model: Boeing 757222
Aircraft serial: 26674
Aircraft time: 68,639 hours, 24,988 cycles
Engine: Pwa PW2040
System (JASC): 4920 · APU Core Engine
Part: Apu
Condition: Shutdown
Location: Apu Bay
Stage of operation: UK
How discovered: O
Nature of condition: O
Precautionary procedure: O

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

What was found

WHILE STARTING THE NR 2 ENG, THE APU AUTO-SHUT DOWN. CREW DISCONTINUED NR 2 ENG START ATTEMPT. WITH THE ASSISTANCE OF THE CREW, THEY RESTARTED THE APU, ACP SECOND START ATTEMPT USING THE APU AIR SOURCE, SECOND NR 2 ENG START ATTEMPT WAS NORMAL, APU FUNCTION WAS NORMAL, OK TO CONTINUE.