Service difficulty report · Sensor · Boeing 7879

Difficulty date
October 28, 2016
Submitted
October 31, 2016
Operation
Air carrier
Aircraft
N821AN
Make and model
Boeing 7879
Aircraft serial
40640
Aircraft time
70 hours, 26 cycles
Part
Sensor
Part number
P669A000100
Part serial
HB895
Condition
Faulty
Location
Flap/Slats
Stage of operation
AP
How discovered
O
Nature of condition
J
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, CREW RECEIVED EICAS SLAT DRIVE MESSAGE PRIOR TO ANY FLAP/SLAT SELECTION AND WERE UNABLE TO EXTEND SLATS OR FLAPS. EMERGENCY DECLARED. LAINDING UNEVENTFUL. AIRCRAFT WAS GROUNDED. REMOVED AND REPLACED THE NR 7 SLAT INBOARD SKEW SENSOR IAW 27-89-01.

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