Service difficulty report · Rib · Boeing 7377H4

Difficulty date
October 27, 2023
Submitted
November 28, 2023
Operation
Air carrier
Aircraft
N968WN
Make and model
Boeing 7377H4
Aircraft serial
36679
Aircraft time
38,431 hours, 23,571 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 LOC. LE STA 114.55 AT LT HORIZONTAL STABILIZER 2023-661510<[01] REPLACED LEADING EDGE RIB (CHORD) LOC. LE STA 114.55 AT LT HORIZONTAL STABILIZER IAW SRM B737-700 51-10-02 ITEM 9 AND DWG# 186A1001 REV- ; DWG# 186A1305 REV-. SEE INDIVIDUAL SIGNOFF BELOW.;[02] REPLACED LEADING EDGE RIB (CHORD) LOC. LE STA 114.55 AT LT HORIZONTAL STABILIZER IAW SRM B737-700 51-10-02 ITEM 9 AND DWG# 186A1001 REV- ; DWG# 186A1305 REV-. SEE INDIVIDUAL SIGNOFF BELOW.

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