Service difficulty report · Rib · Boeing 7378H4

Difficulty date
February 1, 2025
Submitted
February 26, 2025
Operation
Air carrier
Aircraft
N8612K
Make and model
Boeing 7378H4
Aircraft serial
36973
Aircraft time
40,176 hours, 19,174 cycles
Part
Rib
Condition
Cracked
Location
Zone 300
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 LEADING EDGE RIB ACCESS PANEL 331B LOCATED LE STA 114.55 AT LT HORIZONTAL STABILIZER 2025-81714<[01] REPLACED RIB AND FASTENERS AT ACCESS PANEL 331B LOCATED LE STA 114.55 AT LT HORIZONTAL STABILIZER IAW B737-800 SRM 51-40-02;DWG 186A1305 REV:- AND DWG 186A1001 REV:- SHEET 19. SEE INDIVIDUAL SIGN OFF BELOW;[02] REPLACED RIB AND FASTENERS AT ACCESS PANEL 331B LOCATED LE STA 114.55 AT LT HORIZONTAL STABILIZER IAW B737-800 SRM 51-40-02;DWG 186A1305 REV:- AND DWG 186A1001 REV:- SHEET 19. SEE INDIVIDUAL SIGN OFF BELOW

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