Service difficulty report · Web · Boeing 7378H4

Difficulty date
August 29, 2026
Submitted
September 3, 2026
Operation
Air carrier
Aircraft
N8517F
Make and model
Boeing 7378H4
Aircraft serial
63594
Aircraft time
32,252 hours, 16,181 cycles
Part
Web
Condition
Cracked
Location
Zone 800
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 MLG INBD DOOR WEB APPEARS TO BE CRACKED JUST FWD OF AFT HINGE PAD. PERFORMED HFEC OF SUSPECTED CRACK. VERIFIED CRACK MEASURES .35IN DOWN INBD SIDE OF WEB AND .20IN DOWN OTBD SIDE OF WEB. REF NDT PART 6 51-00-00 PROCEDURE 23. REMOVED AND SEPERATED INBD & CENTER RT MLG DOORS IAW AMM 32-13-11 TO FOM. MACHINED WEB TO REMOVE CRACK IAW SRM 52-80-02-1A-2. COMPLIED WITH HFEC INSPECTION PER NDT PART 6 51-00-00 PROCEDURE 23. NO DEFECTS NOTED. FLAP PEENED & BLENDED SURFACES IAW SRM REF. 51-20-06, ALSO APPLIED CHEMICAL CONVERSION COATING TO REWORKED AREA IAW SRM 51-20-01 . APPLIED TWO LAYERS OF PRIMER IAW SRM 51-20-01. APPLIED DECORATIVE FINISH IAW AMM 51-21-73. INSTALLED INBD RT MLG DOOR IAW AMM 32-13-11.

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