Service difficulty report · Warning Message · Boeing 737990ER

Difficulty date
July 7, 2016
Submitted
July 11, 2016
Operation
Air carrier
Aircraft
N453AS
Make and model
Boeing 737990ER
Aircraft serial
36354
Aircraft time
10,030 hours, 3,265 cycles
Part
Warning Message
Condition
False Activation
Location
Ram Air Door
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
O

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

What was found

ENROUTE AT CRUISE FL350, AFTER 2 PLUS HOURS, NR 2 BLUE STATUS RAM AIR DOOR FULL OPEN LIGHT ILLUMINATED, AND STAYED ON. ACFT GROUNDED. ACCOMPLISHED BITE CHECK OF BOTH PACK TEMP CONTROLLERS. LT CONTROLLER HAD RAM AIR FAULT ON PREVIOUS FLIGHT LEG. NO CURRENT FAULTS. NR 2 CONTROLLER HAS TCV FAULT. ACCOMPLISHED RAM SYSTEM FIM TASK 21-51 TASK 803. NORMAL INDICATION RESTORED. ACFT OK FOR SERVICE.