Service difficulty report · Prbc · Boeing 747122

Difficulty date
August 9, 1997
Submitted
March 26, 2000
Operation
Air carrier
Aircraft
N852FT
Make and model
Boeing 747122
Aircraft serial
19757
Engine
Pwa JT9D7A
Part
Prbc
Part number
A39710
Condition
Failed
Location
Nr 1 Engine
Stage of operation
TO
Nature of condition
M, J
Precautionary procedure
C, D

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

What was found

ABORTED TAKEOFF AT LOW SPEED 100 KIAS, UNABLE TO MAINTAIN TAKEOFF POWER AT 1.43 ON NR 1 ENGINE WITHOUT EXCEEDING MAX EGT, EGT AT 932 DEGREES FOR 14 SECONDS. VISUALLY INSPECTED ENGINE AND PERFORMED BORESCOPE PER BAC MM 72-50-0, NO ABNORMAL CONDITIONS. DURING RUN CHECK FOUND NO ENGINE BLEED CLOSURE. REPLACED PRESSURE RATIO BLEED CONTROLLER PER BAC MM 75-32-01, FUEL/AIR CONVERTER VALVE PER BAC MM 75-32-02.