Service difficulty report · Sensor · Boeing 7879

Difficulty date
July 27, 2022
Submitted
July 27, 2022
Operation
Air carrier
Aircraft
N35953
Make and model
Boeing 7879
Aircraft serial
36404
Aircraft time
34,979 hours, 3,400 cycles
Part
Sensor
Part number
NA
Condition
Loose
Location
Slats
Stage of operation
CR
How discovered
O
Nature of condition
O
Precautionary procedure
B

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

What was found

SLATS DRIVE CAUTION PRIMARY AND SECONDARY SLAT DRIVES HAVE FAILED TO OPERATE, OR HAV E BEEN SHUT DOWN BECAUSE OF AN ASYMMETRY, SKEW/LOSS, DISAGREE, O R UNCOMMANDED MOTION. 0 SLAT DRIVE FAIL AT 6000 MESSAGE 27-22321. #5 SLAT SKEW SENSOR FAULT. SEE ATTACHED ENTRY UPDATE. SEE ATTACHED PHOTOS. FOUND #5 SLAT SKEW SENSOR CONNECTOR LOOSE,NOT PROPERLY SECURED PHOTO''S OF OTHER RELATED DEFECTS. POSSIBLY DURING INSTALLATION. RESECURED CONNECTOR, SLAT WORKS OK ADD FAULT: 27-22321 IN PRIMARY MODE. ADJUSTED #5 LE SLAT FIT AND FAIR, SLATS OPERATE IN PRIMARY AND SECONDARY DRIVE REF AMM 27-81-03. NO FAULT CODES PRESENT. ADD EMP:U177121,U221750 INSPECTED ADJUSTED #5 LE SLAT FIT AND FAIR, SLATS OPERATE IN PRIMARY AND SECONDARY DRIVE REF AMM 27-81-03. NO FAULT CODES PRESENT.

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