Service difficulty report · Skin · Boeing 7377H4

Difficulty date
July 1, 2023
Submitted
August 4, 2023
Operation
Air carrier
Aircraft
N228WN
Make and model
Boeing 7377H4
Aircraft serial
32496
Aircraft time
58,313 hours, 35,117 cycles
Part
Skin
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 INDICATION FOUND ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION 193.90 RIB; 18.00 INCH FROM FRONT SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 0.692 INCHES 2023-422272<[01] TOOL USED P/N NORTEC 600D S/N 60009161631 DUE DATE 31/JAN/24;[02] PERFORMED REPAIR ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION193.90 RIB MORE 18? FROM FRONT SPAR INBOARD SIDE OF RIB I.A.W. B737-00 SRM 55-10-01-2R-11 REPAIR 11 <BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW;[03] PERFORMED REPAIR ON LH HORIZONTAL STABILIZER LOWER IN-SPAR SKIN AT STATION193.90 RIB MORE 18? FROM FRONT SPAR INBOARD SIDE OF RIB I.A.W. B737-00 SRM 55-10-01-2R-11 REPAIR 11 <BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW<BR><BR>ITEM RII

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