Service difficulty report · Actuator · Boeing 737990ER

Difficulty date
February 5, 2020
Submitted
February 13, 2020
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
24,991 hours, 8,020 cycles
Part
Actuator
Part number
676000141
Part serial
676000143983
Condition
Inoperative
Location
Ram Air Exhaust
Part time
15,739 hours, 5,139 cycles
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

REF L/P 11922871, DURING BITE VERIFY OF PZTC ( R/H) SRADA EXIT LIGHT ILLUMINATED. DURING THE TEST THE EXIT SRADA REMAINED IN THE CLOSED POSITION. REF B737-800 FIM 21-62 TASK 854. CONFIRMED 28VDC BETWEEN PIN 4 AND 16 OF CONNECTOR D14398. GROUNDED - YES. REMOVED AND REPLACED R/H SMART RAM DOOR ACTUATOR PER B737-900 AMM 21-51-27. OPS CHECK GOOD.