SDR EIA2000021

Service difficulty report · Nut · Boeing 747273C

Difficulty date
May 29, 2000
Submitted
August 17, 2000
Operation
Air carrier
Aircraft
N471EV
Make and model
Boeing 747273C
Aircraft serial
20651
Engine
Pwa JT9D7J
System (JASC)
7603 · Power Lever
Part
Nut
Condition
Missing
Location
Engine Throttle
Stage of operation
CR
How discovered
O
Nature of condition
R, Y, J
Precautionary procedure
O

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

What was found

HKG - AT CRUISE, NR 1 ENGINE ROLLED BACK. NO THROTTLE RESPONSE. ATTEMPTED AIRSTART WITH NO RESULTS. DURING INSPECTION, FOUND NR 1 ENGINE STRUT AREA THROTTLE CONTROL BOX SECURING NUT MISSING, AND CONTROL BOX DISENGAGED FROM CONTROL SHAFT. BOTH BEVEL AND WASHER FOUND INSIDE PYLON, NUT MISSING. REPLACED NUT AND RESECURED CONTROL BOX. THROTTLE MOVEMENT CHECK NORMAL. PERFORMED WINDMILLING INSPECTION, CHECKED NORMAL. ENGINE START AND POWER INCREASE CHECKS NORMAL. (M)