Service difficulty report · Wire · Boeing 767300

Difficulty date
October 22, 2026
Submitted
October 23, 2026
Operation
Air carrier
Aircraft
N390UP
Make and model
Boeing 767300
Aircraft serial
67979
Aircraft time
2,981 hours, 1,226 cycles
Part
Wire
Condition
Damaged
Location
Zone 100
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
A

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

What was found

PAN PAN DECLARED AT FL370, FLAP INDICATOR SHOWED 1/2. EICAS SLAT DISAGREE, LE LIGHT, FLAP HANDLE IN UP. RAN CHECKLIST, LANDED NON-NORMAL @ FLAPS 20. FLAPS APPEARED TO OPERATE NORMALLY THRU FLAP 20 FOR LANDING. INSPECTED SENSOR AND SPLICES FOR S278- SPLICE CONDITION WAS QUESTIONABLE. RE-SPLICED PER SWPM 20-30-12 7.G AND 7.H. SYSTEM TESTS NORMAL PER AMM TASK 27-88-01-722-028; AMM TASK 32-09-13-765-801 AND AMM TASK 27-88-01-200-801. CHECKED FOR UNLOCKED PINS ON RACK CONNECTOR- REF AMM 32-09-04/401. NO DEFECTS NOTED. AIRCRAFT OKAY FOR CONTINUED SERVICE.

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