Service difficulty report · Skin · Boeing 7377BD

Difficulty date
February 1, 2022
Submitted
February 28, 2022
Operation
Air carrier
Aircraft
N7752B
Make and model
Boeing 7377BD
Aircraft serial
33943
Aircraft time
44,008 hours, 22,440 cycles
Part
Skin
Condition
Cracked
Location
L/H Horiz. Stab.
Stage of operation
UK
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 FOUND, LT HORIZONTAL STAB LOWER SKIN HSS 193.90; 16' FROM FWD SPAR AT I/B ROW OF FASTENERS. CRACK LENGTH: 1.125'. STRIPPED PAINT ON STAB IAW AMM 51-21-11-150-810; REMOVED FASTENERS IAW SRM 51-40-02-0G-0; PERFORMED CUTOUT OF DAMAGE IAW SRM 55-10-01-2R-11 & 51-10-02-0G-0; PERFORMED HFEC INSP ON CUT OUT AREA IAW NDT PART 6 51-00-00 PROCE 23. NO CRACKS FOUND.; PERFORMED HFEC ROTO INSP ON OPEN HOLES . IAW NDT PART 6 51-00-00 PROCE 16. NO CRACKS FOUND.; PERFPORMED HFEC COUNTERSUNK INSP ON OPEN HOLES . IAW NDT PART 6 53-30-00 PROCE 3. NO CRACKS FOUND.; LOCATED & DRILLED DOUBLER & SKIN IAW SRM 51-40-05-0G-0 AND 55-10-01-2R-11 REPAIR 11; COUNTERSUNK DOUBLER IAW SRM 55-10-01-2R-11 REPAIR 11 & 51-40-08-0G-0.

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