SDR ASAA2016013115215

Service difficulty report · Connector · Boeing 737890

Difficulty date: January 31, 2016
Submitted: February 3, 2016
Operation: Air carrier
Aircraft: N592AS
Make and model: Boeing 737890
Aircraft serial: 35190
Aircraft time: 31,150 hours, 9,577 cycles
System (JASC): 4997 · APU System Wiring
Part: Connector
Condition: Unsecure
Location: Apu
Stage of operation: NR
How discovered: 9
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

APU FAILED TO START 3 ATTEMPTS, NO ROTATION. ACFT GROUNDED. PERFROMED APU BITE IAW AMM 49-61-00-200-801. INSPECTED APU FOUND AIR INLET DOOR NOT OPENING. INSPECTED DOOR SENSOR CONNECTOR PLUG, NO DEFECTS NOTED. RESEATED CONNECTOR PLUG. PERFORMED OPS CHECK OF AIR INLET DOOR IAW AMM 49-15-00-200-801, NO DEFECTS NOTED. PERFORMED OPS TEST OF APU X2 OPERATES NORMAL REF AMM 49-11-00-710-801. GROUND VERIFICATION GOOD.