Service difficulty report · Skin · Boeing 73776N

Difficulty date
December 28, 2022
Submitted
January 27, 2023
Operation
Air carrier
Aircraft
N7812G
Make and model
Boeing 73776N
Aircraft serial
32582
Aircraft time
56,870 hours, 33,864 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

R/H HORIZONTAL STABILIZER LOWER SKIN HAS CRACK AT RIB STATION 193.90 8.5' FROM FRONT SPAR; CRACK LENGTH IS 1.25' MARKED.<[01] SRM APPLICABILITY STATEMENT; APPLICABLE SRM REPAIR FOR R/H HORIZONTAL STABILIZER LOWER SKIN CRACK AT RIB STATION 193.90 8.5' FROM FRONT SPAR; CRACK LENGTH IS 1.25' THAT WILL BE USED ON THE ABOVE REPAIR IS SRM 55-10-01-2R-11 REPAIR 11.;[02] VERIFIED APPLICABILITY OF SRM 55-10-01-2R-11 REPAIR 11.;[14] INSTALLED REPAIR PARTS IAW SRM 55-10-01-2R-11 STEP 4.O & P.;[15] APPLIED SEALANT AROUND THE EDGES OF (1) DOUBLER IAW SRM 55-10-01-2R-11. STEP 4.Q.;[16] VERIFIED CORRECTIVE ACTION STEP 15.;[17] VERIFIED CORRECTIVE ACTION STEP 14.;[18] OUT OF SEQUENCE STEP: REMOVED PANEL 341BZ TO ACCESS REPAIR IAW SOPM 20-50-01.;[19] OK TO INSTALL PANEL 341BZ.;[20] OK TO INSTALL;[21] INSTALLED PANEL 341BZ IAW AMM 20-50-11-910-801.SCREW GUN ID:ATS2248; CAL DUE 11/2023.;[22] APPLIED FINISH TO THE REPAIR AREA IAW SRM 55-10-01-2R-11 STEP 4.R.;[23] INSPECTED ACTION 21;22. VERIFIED MEASUREMENT TABLE;[24] INSPECTION COMPLETE

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