Service difficulty report · Rib · Boeing 7377H4

Difficulty date
May 23, 2025
Submitted
June 16, 2025
Operation
Air carrier
Aircraft
N940WN
Make and model
Boeing 7377H4
Aircraft serial
36900
Aircraft time
51,407 hours, 31,575 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 INSPAR RIB 92.70 LOCATED AT 30 INCH OF FRONT SPAR LT HORIZONTAL STAB 2025-340238<[01] TOOL USED ON STEP 3 AND 4: ET EQUIPMENT; P/N: NORTEC 600D; S/N: 210136503 ; DUE DATE: 24-JUL-25;[02] PERFORMED PERMANENT REPAIR ON INSPAR RIB 92.70 LOCATED AT 30 INCH OF FRONT SPAR LT HORIZONTAL STAB IAW B737-700 SRM-55-10-09-2R-4 REPAIR 4 PARAGRAPH 4.M TO R. FIGURE: 202 SHEET: 1 AND FIGURE: 202 SHEET: 4 AND B737-700 SRM 51-40-02. SEE INDIVIDUAL SIGN OFF BELOW.;[03] PERFORMED PERMANENT REPAIR ON INSPAR RIB 92.70 LOCATED AT 30 INCH OF FRONT SPAR LT HORIZONTAL STAB IAW B737-700 SRM-55-10-09-2R-4 REPAIR 4 PARAGRAPH 4.M TO R. FIGURE: 202 SHEET: 1 AND FIGURE: 202 SHEET: 4 AND B737-700 SRM 51-40-02. <BR>SEE INDIVIDUAL SIGN OFF BELOW.<BR>RII.

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