Service difficulty report · Bleed Valve · Doug DC983

Difficulty date
March 28, 2005
Submitted
March 28, 2005
Operation
Air carrier
Aircraft
N835NK
Make and model
Doug DC983
Aircraft serial
53044
Engine
Pwa JT8D219
Engine time
28,458 hours, 21,570 cycles
Part
Bleed Valve
Part number
UNKNOWN
Part serial
NSN
Condition
Missing
Location
Engine
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

ENGINE WAS REMOVED FOR DELAMINATION OF THE DIFFUSER OUTER DUCT SOUND ABSORBING LINER. DISASSEMBLY SHOWED A MISSING 6TH STAGE BLEED VALVE WHICH RESULTED IN AIR LEAKAGE DAMAGING THE OUTER SOUND ABSORBING LINERS.

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