Service difficulty report · Rib · Boeing 7377H4

Difficulty date
January 3, 2023
Submitted
February 2, 2023
Operation
Air carrier
Aircraft
N405WN
Make and model
Boeing 7377H4
Aircraft serial
27893
Aircraft time
71,985 hours, 42,752 cycles
Part
Rib
Part number
NOTENTERED
Part serial
NOTENTERED
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 3 LOCATED STAB STA 111.10 AND FRONT SPAR 28INCH LT HORIZONTAL STAB 2023-36225<[01] TOOL USED EDDY CURRENT EQUIPMENT P/N NORTEC 500D; S/N N500X11290U021704 DUE DATE: 01-FEB-23;[02] REPAIRED INSPAR RIB LOCATED STAB STA 111.10 AND 28 IN FROM FRONT SPAR LT HORIZONTAL STAB IAW SRM B737-700 55-10-09-2R-4 REPAIR 4.;[03] CORRECTED ACTION 2: REPAIRED INSPAR RIB LOCATED STAB STA 111.10 AND 28 IN FROM FRONT SPAR LT HORIZONTAL STAB IAW SRM B737-700 55-10-09-2R-4 REPAIR 4. <BR>SEE INDIVIDUAL SIGNOFF BELOW.;[04] REPAIRED INSPAR RIB LOCATED STAB STA 111.10 AND 28 IN FROM FRONT SPAR LT HORIZONTAL STAB IAW SRM B737-700 55-10-09-2R-4 REPAIR 4. <BR>SEE INDIVIDUAL SIGNOFF BELOW. RII

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