Service difficulty report · Rib · Boeing 7377H4

Difficulty date
December 7, 2024
Submitted
January 28, 2025
Operation
Air carrier
Aircraft
N279WN
Make and model
Boeing 7377H4
Aircraft serial
32532
Aircraft time
58,093 hours, 35,146 cycles
Part
Rib
Condition
Cracked
Location
Zone 300
Stage of operation
IN
How discovered
V
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 4 LOCATED AT 36 INCH LT HORIZONTAL STAB 2024-758454<[01] TOOL USED ON STEP 4. ET EQUIPMENT: P/N: NORTEC 600D; S/N: 60007161486; CAL DUE DATE: 06-SEP-25;[02] PERFORMED PERMANENT REPAIR INSPAR RIB 4 LOCATED AT 36 INCH LT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5.<BR>SEE INDIVIDUAL SIGN OFF BELOW.;[03] REJECTED FINAL CORRECTIVE ACTION DUE TO INCORRECT REFERENCE USED WHEN STATING THE REPAIR AND IT DOES NOT MATCH REFERENCE AND WRITTEN STEP 3;[04] CORRECTED REJECTION; REFERENCE USED ON STEP 3 WAS CORRECTED TO MATCH WITH THE JOB PERFORMED;[05] CORRECTED REJECTION; REFERENCE USED ON STEP 3 WAS CORRECTED TO MATCH WITH THE JOB PERFORMED;[06] PERFORMED PERMANENT REPAIR INSPAR RIB 4 LOCATED AT 36 INCH LT HORIZONTAL STAB IAW B737-700 SRM 55-10-09-2R-5 REPAIR 5.<BR>SEE INDIVIDUAL SIGN OFF BELOW.;[07] TASK COMPLETED; RII<BR><BR>SEE INDIVIDUAL SIGNOFFS BELOW

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