Service difficulty report · Rib · Boeing 7378H4

Difficulty date
December 31, 2025
Submitted
February 9, 2026
Operation
Air carrier
Aircraft
N8514F
Make and model
Boeing 7378H4
Aircraft serial
36975
Aircraft time
29,507 hours, 14,715 cycles
Part
Rib
Condition
Worn
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

RIGHT WING TRAILING EDGE, DEFLECTION CONTROL RIB UPPER TRAILING EDGE ATTACH BOLTS, SHIM PLATE AND FASTENER HOLES ARE WORN. REMOVED DAMAGE FROM DEFLECTION CONTROL RIB UPPER TAB IAW SRM 51-10-02. MEASURED DAMAGE DEPTH TO BE .016". DAMAGE FOUND TO BE WITHIN ALLOWABLE LIMITS IAW SRM 57-51-02-1A-1. PERFORMED HFEC INSPECTION OF REPAIR AREA IAW NDT PART 6; 51-00-00. NO DEFECTS NOTED. LOCATED AND DRILLED A DOUBLER FOR TRAILING EDGE SUPPORT BEAM IAW SRM 57-51-02-2R-1. REMOVED AND REPLACED INBD & OTBD SERRATED PLATES IAW SRM 51-40-02. INSTALLED THE DOUBLER FOR T/E SUPPORT BEAM IAW SRM 57-51-02-2R-1. ADJUSTMENT CHECKED GOOD IAW AMM 57-50-01.

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