Service difficulty report · Skin · Boeing 7377H4

Difficulty date
January 27, 2023
Submitted
February 22, 2023
Operation
Air carrier
Aircraft
N276WN
Make and model
Boeing 7377H4
Aircraft serial
32530
Aircraft time
52,194 hours, 31,383 cycles
Part
Skin
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; 17.500 INCH FROM FRONT SPAR; INBD SIDE OF RIB. CRACK LENGTH IS 1.5 INCHES 2023-83746<[01] TOOL USED: EDDY CURRENT EQUIPMENT; PN: NORTEC 600D; SN: 210136503; DUE DATE: 11-APR-23;[02] EDDY CURRENT EQUIPMENT USED P/N: NORTEC 600D; S/N: 210138203; DUE DATE: 11-APR-23;[03] INSPECTION REJECT IN STEP 9 SEE TTG8Q00HQ1LC;[04] PERFORMED PERMANENT REPAIR ON LH HORIZONTAL LOWER INSPAR SKIN STATION 193.90 RIB 17.500 INCH FROM FRONT SPAR INBD SIDE OF RIB. IAW BOEING 737-700 SRM 51-40-02 AND B737-700 SRM 55-10-01-2R-11 REPAIR 11 TABLE 202 FIGURE 204; DETAIL B; SEE INDIVIDUAL SIGN OFF BELOW.;[05] CERTIFIED STEP 4; COMPLETED<BR>ITEM RII

More about the Boeing 737-7H4