Service difficulty report · Support Web · Boeing 7378H4

Difficulty date
April 30, 2026
Submitted
May 28, 2026
Operation
Air carrier
Aircraft
N8645A
Make and model
Boeing 7378H4
Aircraft serial
36907
Aircraft time
39,238 hours, 19,096 cycles
Part
Support Web
Condition
Cracked
Location
Zone 400
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

CRACK SUPPORT WEB LOCATED INBOARD FAN COWL ON ENGINE 1. REPLACED SUPPORT WEB AND FASTENERS LOCATED ON INBOARD FAN COWL AT ENGINE 1 IAW SRM 51-10-02-0G-0 PARAGRAPH 9; SRM 51-40-02-0G-0 AND CMM 71-13-30 PAGE 10090. MEASUREMENT OF CRACK: 1.317 INCH.

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