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SDR ASAA2016022115605

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Service difficulty report · Valve · Boeing 737990ER

FAA SDR system

Difficulty date
February 21, 2016
Submitted
February 23, 2016
Operation
Air carrier
Aircraft
N423AS
Make and model
Boeing 737990ER
Aircraft serial
35206
Aircraft time
11,286 hours, 3,653 cycles
System (JASC)
2160 · Cabin Temperature Control System
Part
Valve
Part number
32149721
Part serial
3945
Condition
Failed
Location
Temp Control
Part time
11,286 hours, 3,653 cycles
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

FLIGHT DECK TEMP CONTROL INOPERATIVE, WHEN TRIM AIR TURNED OFF CONTROLLER WORKED. ACFT GROUNDED. ZTP NR 1 AND NR 2 LOGGED NO FAULTS IN FAULT HISTORY AND NO EXISTING FAULTS REF FIM 21-62 TASK 801. ACCOMPLISHED FIM 21-61, TASK 861 A THROUGH K,1,B. R & R TRIM AIR PRSOV IAW AMM 21-62-01-000-801 AND AMM 21-62-01-400-801. OPS CHECK & LEAK CHECK OK IAW FIM TASK 21-61, TASK 861, PARA K 3.