Service difficulty report · Rib · Boeing 7378H4

Difficulty date
September 25, 2025
Submitted
October 22, 2025
Operation
Air carrier
Aircraft
N8508W
Make and model
Boeing 7378H4
Aircraft serial
38814
Aircraft time
29,735 hours, 15,000 cycles
Part
Rib
Condition
Damaged
Location
Zone 500
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

LEFT WING TRAILING EDGE SHELF PANEL ABOVE DEFLECTION RIB HAS ELONGATED BOLT HOLES ON SERRATED PLATE AND SHELF PANEL BRACKET.<[01] REMOVED SERRATED PLATES AND HARDWARE THAT ATTACH DEFLECTION CONTROL RIB AT TAB TO UPPER BEAM.;[02] REMOVED DAMAGE ON UPPER BEAM AT ATTACH POINT TO DEFLECTION CONTROL RIB UPPER TAB PER SRM 57-51-02-2R-1.;[03] ACCOMPLISHED HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION ALONG THE CUT EDGES PER BOEING 737 NDT PART 6; 51-00-00; PROCEDURE 23.NO DEFECT.(NDT);[04] ACCOMPLISHED HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION OF THE INITIAL FASTENER HOLES IN THE REPAIR AREA PER BOEING 737 NDT PART 6; 51-00-00; PROCEDURE 16.NO DEFECT. (NDT);[05] VERIFIED AND INSPECTED ITEM 1 AND 2 NO DEFECTS NOTED;[06] LOCATED AND DRILLED AND DEBURRED REPAIR PARTS PER SRM 57-51-02-2R-1.;[07] VERIFIED WORK PERFORMED IN CORRECTIVE ACTION #6;[08] INSTALLED REPAIR PARTS PER SRM 57-1-02-2R-1.

More about the Boeing 737-8H4