Service difficulty report · Skin · Boeing 7377Q8

Difficulty date
November 17, 2021
Submitted
December 22, 2021
Operation
Air carrier
Aircraft
N7863A
Make and model
Boeing 7377Q8
Aircraft serial
30644
Aircraft time
54,598 hours, 36,232 cycles
Part
Skin
Condition
Cracked
Location
Horizontal Stab
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 INDICATIONS FOUND ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 17.0 INCH FROM FRON SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 2.0 INCH ; 2021-520536 / [01] TOOL USED: ET EQUIPMENT P/N: NORTEC 600D; S/N: 200048001; CAL DUE DATE: 24-FEB-22; [02] REPAIRED LOWER IN-SPAR SKIN LH HORIZONTAL STABILIZER AT STATION 193.90 RIB; 17.0 INCH FROM FRON SPAR; INBD SIDE OF RIB I.A.W. B737-700 SRM 55-10-01-2R-11 REPAIR 11. SEE INDIVIDUAL SING-OFFS BELLOW.; [03] CERTIFIED TASK I.A.W. B737-700 SRM 55-10-01-2R-11 REPAIR 11 COMPLETE RII

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