Service difficulty report · Rib · Boeing 7377H4

Difficulty date
October 14, 2022
Submitted
November 16, 2022
Operation
Air carrier
Aircraft
N207WN
Make and model
Boeing 7377H4
Aircraft serial
34012
Aircraft time
56,256 hours, 33,707 cycles
Part
Rib
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

LT HORIZONTAL STABILIZER NR 5 RIB CRACKED AT STIFFENER 3. TRIM OUT DAMAGE AREA IAW SRM 55-10-09-2R-4. PERFORMED HFEC AT CUT OUT IAW NDTM PART 6, 51-00-00, PROCEDURE 23, NO CRACKS NOTED. PERFORMED HFEC HOLE PROBE INSPECTION ON ALL REMOVED FASTENER LOCATIONS WITHIN REPAIR AREA IAW NDTM PART 6, 51-00-00, PROCEDURE 16, NO CRACKS NOTED. GVI ACCOMPLISHED ON REPAIR AREA, NO CORROSION OR EXISTING REPAIR OR OTHER DAMAGE FOUND. LOCATED AND DRILLED THE REPAIR IAW SRM 55-10-09-2R-4, FIG 202, DETAIL A. TREATED AND PRIMED REPAIR AND REPAIR AREA IAW SRM 51-20-01-0G-0, AND AMM 51-21-72-370-804. INSTALLED THE REPAIR IAW SRM 55-10-09-2R-4, FIG 202, DETAIL A.

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