Service difficulty report · Line · Boeing 727228

Difficulty date
May 2, 2000
Submitted
May 23, 2000
Operation
Air carrier
Aircraft
N721DH
Make and model
Boeing 727228
Aircraft serial
19545
Engine
Pwa JT8D7
Part
Line
Part number
451077
Condition
Cracked
Location
Nr 3 Engine Fuel
Stage of operation
CL
How discovered
O
Nature of condition
R
Precautionary procedure
A

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

What was found

PER ITEM 1-P,NR 3 EGT REACHED REDUCED JUST AFTER V-1,T/L 3 AHEAD OF 1 & 2. NR 3 REDUCED TO 1.60 EPR GIVING APPROX 85 PERCENT N1 & 90 PERCENT N2. EGT WAS AT TOP OF YELLOW. FUEL FLOW APPEARED NORMAL. FOUND PS-4 LINE TO PRBC CRACKED. REPLACED LINE, GROUND RAN ENG, ALL PARAMETERS NORMAL PER DHL JRH 06-01 TO 06-05. BORESCOPE INSP OF NR 3 ENG SHOWED NO DEFECTS.