Service difficulty report · Actuator · Boeing 737890

Difficulty date
December 10, 2019
Submitted
December 31, 2019
Operation
Air carrier
Aircraft
N536AS
Make and model
Boeing 737890
Aircraft serial
35203
Aircraft time
30,675 hours, 8,796 cycles
Part
Actuator
Part number
5416744
Part serial
698220
Condition
Inoperative
Location
Lt Ram Air Inlet
Part time
66,857 hours, 26,187 cycles
Stage of operation
IN
How discovered
V
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

LH RAM AIR DOOR ACTUATOR INOP. GROUNDED - YES. REMOVED & REPLACED LH PACK RAM AIR ACTUATOR REF AMM 21-51-21-400-801. PERFORMED TESTS IAW AMM 21-51-21-400-801, OPS CHECK GOOD. ETOPS GROUND FUNCTIONAL TEST IS GOOD IAW AMM 12-51-21-400-801 PARAGRAPH K.