Service difficulty report · Rib · Boeing 7377H4

Difficulty date
May 29, 2023
Submitted
June 21, 2023
Operation
Air carrier
Aircraft
N418WN
Make and model
Boeing 7377H4
Aircraft serial
29823
Aircraft time
71,436 hours, 42,247 cycles
Part
Rib
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
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 LOCATED STA 86.66 AT RT HORIZONTAL STABILIZER 2023-360975<[01] REPLACED LEADING EDGE RIB AND FASTENERS LOCATED STA 86.66 AT RT HORIZONTAL STABILIZER I.A.W. B737-700 SRM 51-10-02 ITEM 9; B737-700 SRM 51-40-02 AND DRAWING #186A1302 SHEET 1 REV-<BR>SEE INDIVIDUAL SING-OFFS BELOW;[02] REPLACED LEADING EDGE RIB AND FASTENERS LOCATED STA 86.66 AT RT HORIZONTAL STABILIZER I.A.W. B737-700 SRM 51-10-02 ITEM 9; B737-700 SRM 51-40-02 AND DRAWING #186A1302 SHEET 1 REV- RII.SEE INDIVIDUAL SING-OFFS BELOW

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