Service difficulty report · Nut Plate · Boeing 7378H4

Difficulty date
September 17, 2025
Submitted
October 21, 2025
Operation
Air carrier
Aircraft
N8619F
Make and model
Boeing 7378H4
Aircraft serial
33939
Aircraft time
40,353 hours, 19,330 cycles
Part
Nut Plate
Condition
Corroded
Location
Zone 600
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

CORROSION ON RAIL NUT-PLATE LOCATED ORSS 389 INTERNAL CAVITY UPPER AREA TRAILING EDGE AT RT WING. REPLACED RAIL NUT-PLATE LOCATED ORSS 389 INTERNAL CAVITY UPPER AREA TRAILING EDGE AT RT WING IAW SRM 51-40-02-0G SRM 51-10-02-0G-0 ITEM 9 DUE TO NOT FOUND ALLOWABLE DAMAGE ON SRM 57-20-10-1A-2 MEASURE OF CORROSION IS: L: 1.645? W:0.474.

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