Service difficulty report · Actuator · Boeing 737890

Difficulty date
August 12, 2009
Submitted
August 17, 2009
Operation
Air carrier
Aircraft
N577AS
Make and model
Boeing 737890
Aircraft serial
35186
Aircraft time
9,402 hours, 2,723 cycles
Part
Actuator
Part number
5416744
Part serial
11901
Condition
Faulty
Location
Lt Ram Air
Part time
9,402 hours, 2,723 cycles
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

LEFT "RAM DOOR FULL OPEN" LIGHT REMAINED ILLUMINATED FOR ENTIRE FLIGHT. FAULT CODE: 215 160 00. INTERROGATED ZONE 1 TEMP CONTROLLER: FOUND RAM ACTUATOR FAULT WITH NO MOVEMENT OF RAM AIR DOOR (LT) DURING VERIFY PORTION OF TEST. REPLACED LT RAM AIR ACTUATOR. NEW PART INSTALLED PER: AMM 21 51 21. ALL TESTS AND BITE CHECK GOOD PER: AMM 21 51 21.