Service difficulty report · Duct · Boeing 72723

Difficulty date
January 24, 2004
Submitted
January 26, 2004
Operation
Air carrier
Aircraft
N992AJ
Make and model
Boeing 72723
Aircraft serial
19428
Aircraft time
65,817 hours, 49,577 cycles
Engine
Pwa JT8D7B
Engine time
64,555 hours, 54,200 cycles
Part
Duct
Condition
Cracked
Location
Nr 3 Engine
Part time
17 hours
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

NR 3 ENGINE FIRE WARNING LIGHT ON APPROACH. RETARDED THROTTLE AND LIGHT WENT OUT. FOUND 13TH STAGE BLEED DUCT CRACKED IN HALF AT COWL ANTI-ICE VALVE. REPLACED DUCT. FOUND 8TH STAGE CHECK VALVE LEAKING, AND 8TH STAGE DUCT IN STUB WING LEAKING. REPLACED DUCTS AND CHECK VALVE. CHECKED GOOD.

More about the Boeing 727-23