Service difficulty report · Skin · Boeing 73776Q

Difficulty date
November 21, 2022
Submitted
December 13, 2022
Operation
Air carrier
Aircraft
N7882B
Make and model
Boeing 73776Q
Aircraft serial
30271
Aircraft time
49,019 hours, 31,646 cycles
Part
Skin
Condition
Cracked
Location
Rt Nr 7 Slat
Stage of operation
IN
How discovered
E
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 AROUND THE FASTENER AT THE NR 7 SLAT LOWER SURFACE, AT ACTUATOR RIBS. REMOVED FASTENERS IAW SRM 51-40-02. HFEC INSPECTED OPEN HOLES IAW NDTM PART 6 51-00-00, PROCEDURE 16. CONFIRMED CRACKS WITHIN INSPECTION AREA. HFEC INSPECTED COUNTERSINKS IAW NDTM PART 6 53-30-00, PROCEDURE 3. CONFIRMED CRACKS IN COUNTERSINKS. TRIMMED OUT THE DAMAGE IAW SRM 57-42-01-2R-8. FABRICATED REPAIR DOUBLER, FILLER, APPLIED CHEMICAL CONVERSION COATING IAW SRM 57-42-01-2R-8 FIG 202 ALTERNATIVE 1, & PRIMED. INSTALLED THE REPAIR IAW SRM 57-42-01-2R-8, FIG 202, ALTERNATIVE 1.

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