Service difficulty report · Skin · Boeing 7377H4

Difficulty date
March 14, 2025
Submitted
April 22, 2025
Operation
Air carrier
Aircraft
N283WN
Make and model
Boeing 7377H4
Aircraft serial
36610
Aircraft time
57,899 hours, 35,007 cycles
Part
Skin
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
E
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 FOUND ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 17.5 INCHES FROM FRONT SPAR; INB SIDE OF RIB LENGTH APPROX= 1.100 INCHES. 2025-202781 <[01]. TOOL USED ON STEP 5 ET EQUIPMENT: P/N: NORTEC 600D; S/N: 60007161486; CAL DUE DATE: 06-SEP-25; [02] REPAIRED LT HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 IAW B737-700 SRM 55-10-01-2R-11REPAIR 11 ELEVATOR POWER OFF FLIGHT TEST IS NOT NECESSARY DUE TO NOT EXCEED AERODYNAMIC LIMITS IAW B737-700 SRM 55-10-01-2R-11 PARAGRAPH 4.S. SEE INDIVIDUAL SIGN OFF BELOW; [03] TASK COMPLETED RII.

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