Service difficulty report · Plate · Boeing 7378H4

Difficulty date
March 18, 2025
Submitted
April 23, 2025
Operation
Air carrier
Aircraft
N8688J
Make and model
Boeing 7378H4
Aircraft serial
36939
Aircraft time
29,606 hours, 14,687 cycles
Part
Plate
Condition
Worn
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 - DEFLECTION CONTROL RIB; SERRATED PLATE WORN AT ATTACH POINT. <[01] REMOVED DAMAGE I.A.W SRM 51-10-02. MEASURED DAMAGE DEPTH TO BE .070?. DAMAGE FOUND TO BE BEYOND ALLOWABLE LIMITS AS GIVEN IN SRM 57-51-02-1A-1.; [02] CUT OUT AFFECTED DAMAGE AREA I.A.W SRM 57-51-02-2R-4 AND SRM 57-51-02-2R-1.; [03] C/W INSPECTION OF REPAIR AREA. ACCOMPLISHED HFEC HOLE PROBE AND SURFACE INSPECTION PER NDT PART 6 51-00-00 PROC. 16 AND 51-00-00 PROC. 23 NO DEFECTS NOTED.; [04] MEASUREMENT QUESTION #1 RII IS MARKED NO AND NEEDS TO BE MARKED YES BEING THIS REPAIR IS A MAJOR REPAIR.; [05] BEGAN DRILLING REPAIR PARTS PER SRM 57-51-02-2R-1.; [06] MEASUREMENT QUESTION #1 CORRECTED TO YES.; [07] DRILLED REPAIR PARTS PER SRM 57-51-02-2R-1.; [08] VERIFIED CORRECTIVE ACTION #7; [09] OK TO INSTALL REPAIR PARTS; [10] INSTALLED HI-LOCK COMMON TO REPAIR PARTS AND RIB PER SRM 57-51-02-2R-1.; [11] INSTALLED BOLTS AND ASSOCIATED HARDWARE IN REPAIR PARTS PER SRM 57-51-02-2R-4 AND 57-51-02-2R-1.; [12] VERIFIED INSTALLED BOLTS AND ASSOCIATED HARDWARE IN REPAIR PARTS PER SRM 57-51-02-2R-4 AND 57-51-02-2R-1.; [13] C/W INSPECTION OF STEP 2; CLEARANCE CK GOOD; [14] C/W INSPECTION OF STEP 2; CLEARANCE CK GOOD.

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