Service difficulty report · Sensor · Boeing 737890

Difficulty date
July 2, 2012
Submitted
July 5, 2012
Operation
Air carrier
Aircraft
N513AS
Make and model
Boeing 737890
Aircraft serial
35192
Aircraft time
14,443 hours, 4,623 cycles
Engine
Cfmint CFM567B273
Part
Sensor
Part number
11500021
Condition
Failed
Location
Temp Control
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

RIGHT RAM AIR DOOR OPEN LIGHT ON DURING FLT AT CRUISE ALTITUDE. SUBSEQUENT CLOSED AFTER APRROX 45 MINS. ACCOMPLISHED T/C 78121000, CLEANING OF PRIMARY AND SECONDARY HEAT EXCHANGERS. NO DEFECTS NOTED. R & R RT RAM AIR CONTROL TEMP SENSOR, T482, IAW AMM 21-51-50-00-801 & AMM 21-51-50-400-801. ACCOMPLISHED PACK/ZONE TEMP CONTROLLER BITE TEST. NO FAULTS NOTED IAW AMM 21-61-00-700-806-002-2.