Service difficulty report · Frame · Boeing 7572Q8

Difficulty date
March 14, 2021
Submitted
March 15, 2021
Operation
Air carrier
Aircraft
N707TW
Make and model
Boeing 7572Q8
Aircraft serial
27625
Aircraft time
87,458 hours, 23,300 cycles
Part
Frame
Condition
Cracked
Location
Fuselage
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

DURING HCK MAINTENANCE FOUND A CRACK LOCATED AT FRAME WEB IN INBD UPPER FASTENER HOLE AT 4'O CLOCK POS IWTH LENGTH = 0.024" APROX AND TWO CRACKS LOCATED AT FRAME & OUTER CHORD IN LOWER OUTBD FASTENER HOLE AT 2'CLOCK POSTION WITH LENGTH = 0.040" APROX AND 8'CLOCK POSITION WITH LENGTH 0.048" APROX, AT BS 1640 FUSELAGE FRAME COMMON TO THE INTERCOSTAL TEE CLIP LH SIDE. CW ERA 59055514. (LP 1754942)

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