Service difficulty report · Nut Plate · Boeing 7378H4

Difficulty date
November 3, 2023
Submitted
November 20, 2023
Operation
Air carrier
Aircraft
N8673F
Make and model
Boeing 7378H4
Aircraft serial
36937
Aircraft time
26,478 hours, 12,864 cycles
Part
Nut Plate
Part number
UNKNOWN
Condition
Wrong Part
Location
Zn 300 Stabilize
Stage of operation
IN
How discovered
9
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

LEFT HORIZONTAL STABILIZER LOWER TRAILING EDGE BEAM HAS INCORRECT NUT PLATE INSTALLED AT ELEVATOR STA 181.64 OUTBOARD OF NO.5 ELEVATOR HINGE. ADDITIONAL HOLE DRILLED INTO STRUCTURE.<[01] REPAIRED PER EA 23-155-03277;[02] RII; COMPLIED WITH INSPECTION; REPAIRED PER EA 23-155-03277.;[03] CHANGED FAULT ASSOCIATED TO FAILURE TYPE STEP #3 IN MEASUREMENTS

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