Service difficulty report · Actuator · Boeing 7572G7

Difficulty date
April 1, 2000
Submitted
April 19, 2000
Operation
Air carrier
Aircraft
N909AW
Make and model
Boeing 7572G7
Aircraft serial
24522
Part
Actuator
Condition
Failed
Location
Le Slat
Stage of operation
AP
How discovered
O
Nature of condition
F
Precautionary procedure
O

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

What was found

DURING APPROACH INTO MCO, HAD LEADING EDGE DISAGREE MESSAGE AND LIGHT. ACCOMPLISHED L/E SLAT DISAGREE, WHICH LED TO THE L/E SLAT ASYMMETRY CHECK LIST. EMERGENCY DECLARED, HAD NORMAL APPROACH AND LANDING. T/S, FOUND L/E ROTARY ACTUATORS 4, 9, 11, 12 HAD POPPED LIMITER PINS. RESET 9 & 11 ACTUATORS PER FIM 27-81-00. BITE TEST RESULTED IN REPLACING ROTARY ACTUATORS 1, 2, 3, 4, 12, 13, 14 &15 IAW MM 27-81-18, ADJUSTMENT AND TEST ALL OK. SLAT ROTARY ACTUATOR, (P/N 5006397R), (S/N 5211, 5235, 5202, 4776, 5130, 4830, 5227) OFF. SLAT ROTARY ACTUATOR, (P/N 5006398N), (S/N 0695) OFF. NO OTHER SLAT PROBLEMS SINCE ROTARY ACTUATOR REPLACEMENT.

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