Service difficulty report · Warning Light · Boeing 737990ER

Difficulty date
September 24, 2015
Submitted
September 28, 2015
Operation
Air carrier
Aircraft
N435AS
Make and model
Boeing 737990ER
Aircraft serial
43292
Aircraft time
7,456 hours, 2,439 cycles
Part
Warning Light
Condition
False Activation
Location
Ram Air Door
Stage of operation
NR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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. ACFT GROUNDED. NO FAULTS LOGGED ON TEMP CONTROLLER NR 1, RAM AIR DOOR ACT TESTS GOOD FROM TEMP CONTROLLER NR 2. REF FIM TASK 21-51, TASK 803, "RAM AIR DOOR FULL OPEN LIGHT STAYS ON" AIRPLANE IN AIR. REF WDM 21-51-14. NR 1 PACK TEMP CONTROLLER BITE, NO FAULTS. INLET DOOR ACTUATOR OPS TEST NORMAL. VERIFIED CONTINUITY FROM NR 1 ACAU TO S1051 T/E FLAPS UP SWITCH. S1051 SWITCH GOOD. RAM AIR ACTUATORS + EXIT LOUVERS OPS TEST NORMAL. NO HISTORY 90 DAYS.