Service difficulty report · Warning Message · Boeing 76734AF

Difficulty date
December 3, 2025
Submitted
December 3, 2025
Operation
Air carrier
Aircraft
N308UP
Make and model
Boeing 76734AF
Aircraft serial
27761
Aircraft time
73,624 hours, 25,124 cycles
Part
Warning Message
Condition
False Activation
Location
Slat Sys
Stage of operation
CR
How discovered
O
Nature of condition
N
Precautionary procedure
A

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

What was found

EMERGENCY DECLARED, LE SLAT ASYM AT FL 340 FOUND LE SLAT ASYM EICAS MSG AND LEADING EDGE LIGHT ON, PERFORMED PSEU BITE IAW FIM 27-51 FAULT TREE 803 REV.146, FOUND NO ACTIVE FAULTS, FOUND AT LAST LEG REPORT INTERMITTENT FAULT MSG NO.27-81021 / LE OTBD ASYM, PERFORMED PSEU BITE TEST IAW AMM 32-09-04-401 REV.146, FOUND NO ACTIVE FAULTS AND NO STORED FAULTS, CHECKED AHM FOUND NO HISTORY FOR THIS FAULT, PERFORMED LE SLAT OPC AND TEST IAW AMM 27-81-00-501 REV.146, OPC AND TEST NORMAL, LE SLAT AND FLAPS MOVE NORMAL, PERFORMED LE SLAT INSPECTION IAW AMM 27-51-00-601 REV.146, FOUND NO DAMAGES DURING INSPECTION. CONFIRM ALL PARTS AND TOOLING REMOVED FROM A/C.

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