Service difficulty report · Switch · Boeing 737990ER

Difficulty date
March 8, 2016
Submitted
March 10, 2016
Operation
Air carrier
Aircraft
N453AS
Make and model
Boeing 737990ER
Aircraft serial
36354
Aircraft time
8,605 hours, 2,798 cycles
Part
Switch
Part number
2EN19RB
Condition
Failed
Location
Apu Inlet Door
Stage of operation
IN
How discovered
O
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

WHILE ACCOMPLISHING HORIZONTAL STABILIZER LUBE T/C 78327000, FOUND APU INLET DOOR POSITION SENSOR LOOSE. ACFT GROUNDED. R & R APU INLET DOOR POSITION SWITCH & DOUBLER REF AMM 49-15-41. OPS CHECKS NORMAL.