Service difficulty report · Rib · Boeing 7377H4

Difficulty date
October 20, 2021
Submitted
November 18, 2021
Operation
Air carrier
Aircraft
N786SW
Make and model
Boeing 7377H4
Aircraft serial
29811
Aircraft time
68,452 hours, 40,246 cycles
Part
Rib
Condition
Cracked
Location
R/H Horiz. 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

RT HORIZONTAL STAB NR 4 INSPAR RIB HSS 120 FWD LOWER OTBD CORNER CRACKED. REMOVED CRACK IAW SRM 51-10-02-0G-0 & 55-10-09-2R-5 REPAIR 5. PERFORMED HFEC INSP OF CUT EDGES ON REPAIR AREA IAW NDT PART 6 51-00-00 PROCEDURE 23. NO CRACKS NOTED. PERFORMED HFEC ROTO INSP OF ALL EXISTING FASTENER HOLES WITHIN REPAIR AREA IAW NDT PART 6 51-00-00 PROCEDURE 16. NO CRACKS NOTED. ACCOMPLISHED GVI OF ALL AREAS WITHIN REPAIR AREA, NO DEFECTS NOTED IAW SRM 55-10-09-2R-5, STEP 4.F. FABRICATED ANGLE SHIM & FILLER IAW SRM 55-10-09-2R-5 REPAIR 5 & BAC 5602. LOCATED & DRILLED IAW SRM 51-40-05-0G-0. TREATED & PRIMED REPAIR PARTS IAW SRM 51-20-01 & SOPM 20-41-02. INSTALLED REPAIR IAW SRM 55-10-09-2R-5 REPAIR 5. STEP 12.

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