Service difficulty report · Stringer · Boeing 73779P

Difficulty date
January 8, 2023
Submitted
February 8, 2023
Operation
Air carrier
Aircraft
N7855A
Make and model
Boeing 73779P
Aircraft serial
29357
Aircraft time
53,057 hours, 34,450 cycles
Part
Stringer
Condition
Cracked
Location
Zn 600 Right Win
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

CRACK ON UPPER STRINGER U-9 INTERNAL CAVITY BETWEEN RIB 21 TO RIB 22 AT RT WING 2022-707430<[01] REPAIRED UPPER STRINGER U-9 INTERNAL CAVITY BETWEEN RIB 21 TO RIB 22 AT RT WING IAW EA 23-157-00142 AND EA 23-157-00142-WIP1 SEE INDIVIDUALS SIGN OFF BELOW;[02] REPAIRED UPPER STRINGER U-9 INTERNAL CAVITY BETWEEN RIB 21 TO RIB 22 AT RT WING IAW EA 23-157-00142 AND EA 23-157-00142-WIP1 SEE INDIVIDUALS SIGN OFF BELOW

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