Service difficulty report · Skin · Boeing 7377BD

Difficulty date
June 8, 2021
Submitted
June 17, 2021
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
50,877 hours, 26,372 cycles
Part
Skin
Condition
Cracked
Location
Horizontal Stab
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LH HORIZONTAL STAB SKIN IS CRACKED ON INBD SIDE OF RIB AT STAB STA 184.70; 26' FROM FWD SPAR; .70' IN LENGTH. FABRICATED REPAIR PARTS IAW SRM 55--10-01-2R-11 & EA 21-155-01660-WIP1 P2 SERVICE BULLETIN 737-55-1096. APPLIED ALODINE AND PRIME TO REPAIR PARTS DOUBLER, FILLER, FILLER IAW SRM 51-20-01-0G-0 AND SOPM 20-44-04. INSTALLED REPAIR WASHER ON REPAIR AREA IAW SRM 55-10-2R-11 REPAIR 11. INSTALLED REPAIR DOUBLER, FILLER, & FILLER IAW SRM 55-10-01-2R-11 REPAIR 11 AND EA 21-155-01660-WIP1 P2.

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