Service difficulty report · Rib · Boeing 7377BD

Difficulty date
September 10, 2023
Submitted
October 6, 2023
Operation
Air carrier
Aircraft
N7751A
Make and model
Boeing 7377BD
Aircraft serial
36717
Aircraft time
49,352 hours, 25,598 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 LOCATED STAB STA 120.30 AND 27 INCHES OF FRONT EDGE AT RT HORIZONTAL STABILIZER 2023-575286<[01] TOOL USED: EDDY CURRENT EQUIPMENT ; P/N: NORTEC 600D; S/N: 220272512; CAL DUE DATE: 17-DEC-23;[02] TOOL USED: EDDY CURRENT EQUIPMENT ; P/N: NORTEC 600D; S/N: 220272512; CAL DUE DATE: 17-DEC-23;[03] TOOL USED EDDY CURRENT EQUIPMENT PN NORTEC 500D; SN: N500X12101V022237; 26 JAN 24.;[04] PERFORMED PERMANENT REPAIR ON INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES OF FRONT EDGE AT RT HORIZONTAL STABILIZER IAW SRM 55-10-09-2R-4 REPAIR 4 FIGURE 202; SHEET 1 AND SHEET 3 SEE INDIVIDUAL SIGN OFF BELOW.;[05] PERFORMED PERMANENT REPAIR ON INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES OF FRONT EDGE AT RT HORIZONTAL STABILIZER IAW SRM 55-10-09-2R-4 REPAIR 4 FIGURE 202; SHEET 1 AND SHEET 3 SEE INDIVIDUAL SIGN OFF BELOW.<BR><BR>ITEM RII;[06] PERFORMED PERMANENT REPAIR ON INSPAR RIB LOCATED STAB STA 120.30 AND 27 INCHES OF FRONT EDGE AT RT HORIZONTAL STABILIZER IAW SRM 55-10-09-2R-4 REPAIR 4 FIGURE 202; SHEET 1 AND SHEET 3 SEE INDIVIDUAL SIGN OFF BELOW. <BR><BR>ITEM RII

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