Service difficulty report · Pushrod · Boeing 747238B

Difficulty date
December 25, 1999
Submitted
October 9, 2000
Operation
Air carrier
Aircraft
N158UA
Make and model
Boeing 747238B
Aircraft serial
21054
Aircraft time
83,415 hours, 21,637 cycles
Engine
Pwa JT9D7J
Part
Pushrod
Condition
Damaged
Location
Te Flaps
Part time
83,415 hours, 21,637 cycles
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

HNL MAINTENANCE FOUND THE LEFT I/B MIDFLAP TRAVELED OUTBOARD AND STRUCK THE I/B AILERON. INSPECTION FOUND THESE PARTS BROKEN: 65B15635-1 CRANK, 65B15651-7 PUSH ROD, 65B15651-4 PUSH ROD, AND 65B39351-3 FTG ITEMS (1) & (2) WERE NEAR THE NR 4 FLAP TRACK; WHILE ITEMS (3) & (4) WERE NEAR THE NR 3 FLAP TRACK. THE RESPECTIVE FLAP TRACK CANOE FAIRINGS WERE SEVERELY DAMAGE. *S/D* FAILURE OF ITEM (1), 65B15635-1 CRANK, MAY HAVE CAUSE THE OTHER COMPONENT''S FAILURE. REPAIRS WERE ACCOMPLISHED ON THE INBOARD AILERON, THE INBOARD MID AND AFT FLAPS, AND THE FLAP TRACK CANOE FAIRINGS. THE BROKEN PARTS, ITEMS WERE ALL REPLACED.