Service difficulty report · Proximity Switch · Boeing 76731K

Difficulty date
December 6, 2022
Submitted
December 6, 2022
Operation
Air carrier
Aircraft
N1489A
Make and model
Boeing 76731K
Aircraft serial
27206
Aircraft time
112,756 hours, 22,939 cycles
Part
Proximity Switch
Part number
834501
Condition
Faulted
Location
Le Slat Sys
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

LE FLAP ASSYMETRY EICAS MASSAGE WAS LE SLAT ASYM NOT FLAP. C/W FIM PROCEDURE 27-90-14 AND FOUND CODE 284 ON PSEU. REMOVED AND REPLACED LT INBD PROX SWITCH 284 IAW AMM 27-88-01, OPS CHECKED GOOD.

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