SDR ASAA2019043029216

Service difficulty report · Connector · Boeing 737890

Difficulty date: April 30, 2019
Submitted: May 2, 2019
Operation: Air carrier
Aircraft: N566AS
Make and model: Boeing 737890
Aircraft serial: 35182
Aircraft time: 46,994 hours, 14,084 cycles
System (JASC): 4997 · APU System Wiring
Part: Connector
Part number: P16
Condition: Loose
Location: Apu
Stage of operation: IN
How discovered: O
Nature of condition: N
Precautionary procedure: K

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

What was found

WHEN CHECKING CDU FOR APU OIL LEVEL, FOUND FAULT 49-94304 OIL LEVEL SENSOR SHOWS CIRCUIT FAILURE. GROUNDED - YES. ACCOMPLISHED FIM 49-90 TASK 811, FOUND OIL SENSOR CONNECTOR NOT SECURED COMPLETELY, SECURED CONNECTOR AND ACCOMPLISHED BITE PROCEDURE, NO FAULTS FOUND, OPS CHECK GOOD, OIL LEVEL READING NORMAL, FULL.