Service difficulty report · Rib · Boeing 73779P

Difficulty date
August 3, 2023
Submitted
September 1, 2023
Operation
Air carrier
Aircraft
N7832A
Make and model
Boeing 73779P
Aircraft serial
30657
Aircraft time
58,272 hours, 36,697 cycles
Part
Rib
Part number
UNKNOWN
Condition
Cracked
Location
Zn 300 Stabilize
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 INSPAR RIB 120.30 AT 28 INCHES OF FRONT SPAR LT HORIZONTAL STAB 2023-470175<[01] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[02] TOOL USED: EDDY CURRENT FLAW DETECTOR; P/N: NORTEC 600 D; S/N: 60009161631; DUE DATE: 31-JAN-24.;[03] REPAIRED INSPAR RIB 120.30 AT 28 INCHES OF FRONT SPAR LT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4. THIS REPAIR IS CATEGORY A. SEE INDIVIDUAL SIGNOFF BELOW.;[04] REPAIRED INSPAR RIB 120.30 AT 28 INCHES OF FRONT SPAR LT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-4 REPAIR 4. THIS REPAIR IS CATEGORY A. SEE INDIVIDUAL SIGNOFF BELOW. RII.

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