Service difficulty report · Duct · Boeing 757222

Difficulty date
October 4, 2011
Submitted
October 13, 2011
Operation
Air carrier
Aircraft
N548UA
Make and model
Boeing 757222
Aircraft serial
25396
Aircraft time
75,303 hours, 21,772 cycles
Engine
Pwa PW2037
Part
Duct
Condition
Cracked
Location
Rt A/C Pack
Stage of operation
IN
How discovered
V
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

DURING TROUBLE SHOOTING OF LEFT & RIGHT PACK ISSUES FOUND REHEATER INLET DUCT ASSY CRACKED AT WELD. REMOVED CRACKED DUCT AT FWD END OF RT SECONDARY HEAT EXCHANGER TO REHEATER. INSTALLED DUCT. OPS CHECK OF PACK GOOD.