Service difficulty report · Control Valve · Bombdr DHC8402

Difficulty date
October 22, 2011
Submitted
October 24, 2011
Operation
Air carrier
Aircraft
N428QX
Make and model
Bombdr DHC8402
Aircraft serial
4160
Aircraft time
9,398 hours, 10,344 cycles
Part
Control Valve
Condition
Damaged
Location
Cabin Air
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

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

What was found

AIR CONDITIONING PACK FLOW CONTROL AND SHUTOFF VALVE IS POSITIONED AGAINST THE FRAME FOR THE VERTICAL STAB FRONT SPAR. REMOVED PACKFLOW CONTROL IAW AMM 21-52-01-000-801. REMOVED CHAFING DAMAGE IAW SRM 51-14-00-02-01. INSPECTED AREA REF RD 8/4-55-678, NO DEFECTS NOTED. DAMAGE FOUND TO BE WITHIN LIMITS IAW RD 8/4-55-678. TOPCOATED AFFECTED AREA IAW RD 8/4-55-678. INSTALLED PACK FLOW CONTROL VALVE IAW AMM 21-52-01-400-801.