Service difficulty report · Rib · Boeing 7377H4

Difficulty date
July 4, 2024
Submitted
August 7, 2024
Operation
Air carrier
Aircraft
N482WN
Make and model
Boeing 7377H4
Aircraft serial
29852
Aircraft time
66,603 hours, 39,888 cycles
Part
Rib
Condition
Cracked
Location
Zone 300
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 LEADING EDGE RIB ACCESS PANEL 331B LOCATED LE STA188.94 LT HORIZONTAL STAB 2024-405174<[01] REPLACED NEW RIB 188.94 AND FASTENERS LOCATED ON LEADING EDGE HORIZONTAL STABILIZER ACCESS PANEL 331B LH IAW B737-700 SRM 51-40-02 AND DWG 186A1001 SHEET 11 REV: A AND SRM 51-10-02 STEP 9. SEE INDIVIDUAL SIGN OFF BELOW;[02] CORRECTION STEP 1: REPLACED RIB 188.94 AND FASTENERS LOCATED ON LEADING EDGE HORIZONTAL STABILIZER ACCESS PANEL 331B LH IAW B737-700 SRM 51-40-02 AND DWG 186A1001 SHEET 11 REV: A AND SRM 51-10-02 STEP 9. SEE INDIVIDUAL SIGN OFF BELOW;[03] REPLACED RIB 188.94 AND FASTENERS LOCATED ON LEADING EDGE HORIZONTAL STABILIZER ACCESS PANEL 331B LH IAW B737-700 SRM 51-40-02 AND DWG 186A1001 SHEET 11 REV: A AND SRM 51-10-02 STEP 9. SEE INDIVIDUAL SIGN OFF BELOW

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