Service difficulty report · Web · Boeing 7377H4

Difficulty date
April 22, 2024
Submitted
May 28, 2024
Operation
Air carrier
Aircraft
N473WN
Make and model
Boeing 7377H4
Aircraft serial
33832
Aircraft time
65,755 hours, 39,229 cycles
Part
Web
Part number
UNKNOWN
Condition
Cracked
Location
Bs 727 S18a
Stage of operation
IN
How discovered
9
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 FOUND AT I/B LOWER FASTENER HOLE OF S-18A WEB AT STA 727 RIGHT SIDE. CRACK FOUND AT I/B LOWER FASTENER HOLE OF S-18A WEB FITTING AT STA 727 RIGHT SIDE. ( NOTE: CRACK INDICATION FOUND AT WEB FITTING LOCATED AT LOWER SECTION OF THE WEB)<[01] REMOVED AND REPLACED CRACKED SPLICE FITTING AT S-18A AT STA 727 RIGHT SIDE AS PER SRM 51-40-02-0G-0 AND DWG#146A0062. TOOL USED: B/C 175290. CALIBRATION DUE DATE: 03-20-2025.;[02] RII---VERIFIED STEP#1.

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