SDR ASAA2015101213480

Service difficulty report · Switch · Boeing 737890

Difficulty date: October 12, 2015
Submitted: October 14, 2015
Operation: Air carrier
Aircraft: N560AS
Make and model: Boeing 737890
Aircraft serial: 35179
Aircraft time: 35,149 hours, 10,670 cycles
System (JASC): 5270 · Door Warning System
Part: Switch
Part number: 2EN19RB
Condition: Failed
Location: Apu Door
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

APU INLET DOOR SWITCH LOOSE AT THE ATTACH BRACKET. ACFT GROUNDED. REMOVED APU AIR INLET DOOR POSITION SWITCH IAW MM 49-15-41-000-801, STEPS 2.0, 4 AND 2.E, 1, 9-C. COMPLETED AIR INLET POSITION SWITCH REMOVAL, IAW MM 49-15-41-000-801. BEGAN SWITCH INSTALLATION, STEPS 3.F, 1, A-G & I. COMPLETED SWITCH INSTALLATION. OPS NORMAL. IAW MM 49-15-41.