Service difficulty report · Web · Boeing 7379

Difficulty date
October 14, 2025
Submitted
October 16, 2025
Operation
Air carrier
Aircraft
N77578
Make and model
Boeing 7379
Aircraft serial
67613
Aircraft time
6,880 hours, 2,213 cycles
Part
Web
Part number
141A8512108
Condition
Worn
Location
Zone 100
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

E & E DOOR CUTOUT WEB HAS BARE METAL & WEAR SPOTS ABOVE AFT & RIGHT LOCK PIN RECEPTICLES. SEE PICSREMOVED DAMAGE AND EVALUATED AREA, FOUND TO BE OUT OF LIMIT. MAXIMUN DEPTH ALLOWED IS 10% WHICH IS 0.004. MATERIAL REMOVED 0.007". OUT OF LIMITS REF SRM 53-10-15-1A-3. MATERIAL ID FOR FABRICATION OF WEB AS PER BOEING DRAWING 141A8512-108 SHEET 4 7075 T6 .040 PO# 1437908330 VERIFIED MATERIAL ID FOR FABRICATION OF WEB AS PER BOEING DRAWING 141A8512-108 SHEET 4 7075 T6 .040 PO# 1437908330 UPDATE FOR VERIFICATION OF MATERIALS BY TPAQC BORRERO U041440 REMOVED DEFECTIVE WEB IAW SRM 51-40-02. PER SRM 51-10-01-0G-0 STEPS 10.B, REQUIRES HFEC OF THE EXISTING FASTENER HOLES. REFER TO 737 NDT PART 6, 51-00-00 FOR THE INSPECTION OF THE OPEN HOLES. ACCOMPLISHED HFEC ROTARY SCAN OF ALL EXISTING HOLES IN REMOVED WEB REF NDT MAN PART 6 51-00-00 PROCEDURE 16. NO CRACKS FOUND, OK TO PROCEED WITH REPAIR. TPAQC BORRERO U041440 FABRICATED NEW WEB AS PER BOEING DRAWING 141A8512-108 AND GMM 07-35-05 OK TO ALODINE AND PRIME. INSPECTED FABRICATED WEB. OK TO ALODINE AND PRIME. TPAQC BORRERO UPDATE ONLY RII PSE STRUCTURE.SDR/SFR REQUIRED. ALODINED AND PRINED AS PER BOEING DRAWING 141A8512-108 FINISH SEQUENCE 1A D 2 PAGE 2. OK TO INSTALL FABRICATED WEB ASSY. PER BOEING DRAWING 141A8512-108 AND GMM 07-35-05. VERIFIED OK TO INSTALL FABRICATED WEB ASSY. PER BOEING DRAWING 141A8512-108 VERIFIED NEW WEB INSTALLED AS PER REF SRM 51-40-02 AND AS PER BOEING DRAWING 141A8512-108. ELECTRONIC ACCESS DOOR CLOSES GOOD.

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