Service difficulty report · Angle · Boeing 7378H4

Difficulty date
December 8, 2023
Submitted
January 16, 2024
Operation
Air carrier
Aircraft
N8312C
Make and model
Boeing 7378H4
Aircraft serial
38809
Aircraft time
37,321 hours, 17,423 cycles
Part
Angle
Part number
UNKNOWN
Condition
Cracked
Location
Zn 200 Fus Top
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 ANGLE WEB FLOOR STRUCTURE BETWEEN BS 380 TO BS 400 AND LBL 14 AT PASSENGER CABIN 2023-751622<[01] TOOL USED DIGITAL CALIPER P/N:500-196-30; S/N:B21140355; DUE DATE:14/JUL/24;[02] REPLCED ANGLE WEB FLOOR STRUCTURE BETWEEN BS 380 TO BS 400 AND LBL 14 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND DWG 143A5400 REV:- SEE INDIVIDUAL SINGOFFS.;[03] CORRECTED STEP 2 <BR>REPLACED ANGLE WEB FLOOR STRUCTURE BETWEEN BS 380 TO BS 400 AND LBL 14 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND DWG 143A5400 REV:- SEE INDIVIDUAL SINGOFFS;[04] REPLACED ANGLE WEB FLOOR STRUCTURE BETWEEN BS 380 TO BS 400 AND LBL 14 AT PASSENGER CABIN IAW B737-800 SRM 51-40-02 AND DWG 143A5400 REV:- SEE INDIVIDUAL SINGOFFS

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