SDR SRAA961116

Service difficulty report · Horiz Stab · Boeing 747246F

Difficulty date: November 20, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N741SJ
Make and model: Boeing 747246F
Aircraft serial: 22063
System (JASC): 2740 · Stabilizer Control System
Part: Horiz Stab
Condition: Out Of Position
Location: Empenage
Stage of operation: TO
Nature of condition: 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

DURING TAKEOFF ROLLOUT, TAKEOFF WARNING HORN CAME ON AT 90 KIAS WITH ALL CONDITIONS NORMAL. REJECTED TAKEOFF WITHOUT INCIDENT. TROUBLESHOT AND FOUND HORIZONTAL STABILIZER SETTING OF 7.5 UNIT TO BE AT EDGE OF MID SCALE GREEN BAND, CAUSING TAKEOFF WARNING HORN TO COME ON WHEN WEIGHT IS REDUCED AT THE NOSE. READJUST HORIZ STABILIZER TRIM, SYSTEM OPS CHECKED GOOD PER MM CH 27-48-00.