Service difficulty report · Rib · Boeing 7377H4

Difficulty date
September 6, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N901WN
Make and model
Boeing 7377H4
Aircraft serial
32545
Aircraft time
51,839 hours, 30,144 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 129.50 AT 27 INCHES OF FRONT SPAR AT RT HORIZONTAL STABILIZER 2023-568691<[01] TOOL USED EDDY CURRENT EQUIPMENT P/N: NORTEC 600D; S/N: 220272512; DUA DATE: 17-DEC-23.;[02] REPAIRED INSPAR RIB 129.50 AT 27 INCHES OF FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 SEE INDIVIDUAL SIGN OFF BELOW.;[03] REPAIRED INSPAR RIB 129.50 AT 27 INCHES OF FRONT SPAR AT RT HORIZONTAL STABILIZER IAW B737-700 SRM 55-10-09-2R-4 RII;SEE INDIVIDUAL SIGN OFF BELOW.

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