Service difficulty report · Line · Bag JETSTM3101

Difficulty date
November 13, 2001
Submitted
December 12, 2001
Operation
Air carrier
Make and model
Bag JETSTM3101
Aircraft time
13,198 hours
Engine
Garrtt TPE33110UG
Part
Line
Part number
137928L405
Condition
Broken
Location
Nr 2 Engine
Stage of operation
CL
How discovered
O
Nature of condition
R, F, J
Precautionary procedure
E, A

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

What was found

(CAN) SHORTLY AFTER DEPARTURE FROM LA RONGE, SK, THE CREW NOTICED A HIGH ITT, A REDUCTION IN ENGINE POWER, FOLLOWED BY A BETA LIGHT AND LOW OIL PRESSURE LIGHT WARNING. THE CREW SHUT DOWN AND SECURED NR 2 ENGINE AND RETURNED TO LA RONGE. MAINTENANCE FOUND THAT THE P3 BLEED AIR LINE HAD FAILED AT THE FLANGE TO COMPRESSOR CASE CONNECTION. ENGINE OIL FILTERS WERE CHECKED, THE LINE WAS REPLACED, AND ENGINE TEST RUN. THE ENGINE RAN NORMALLY. NOTE: BRITISH AEROSPACE OPTIONAL SB 21-JM7797 REPLACES THE AFFECTED LINE WITH AN UPGRADED LINE. THE UPGRADED LINE HAS TWO FLEX SECTIONS (INSTEAD OF JUST ONE SECTION) TO BETTER WITHSTAND ADDITION VIBRATION STRESSES.