Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
January 4, 2024
Submitted
January 25, 2024
Operation
Air carrier
Aircraft
N423WN
Make and model
Boeing 7377H4
Aircraft serial
29827
Aircraft time
71,926 hours, 42,876 cycles
Part
Stringer
Part number
UNKNOWN
Condition
Cracked
Location
Bs 520 S25l
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 FOUND IN FWD CARGO BAY AT STR 25L; AFT OF AFT FASTENER; BS 520+19<[01] TASK COMPLETED;[02] UPDATED STEP 11 TO PARTIAL.;[03] CUTED AND REMOVED THE DAMAGED PART OF THE STRINGER 25L BS 520+19;PEROFERMED HIGH FREQUENCY EDDY CURRENT (HFEC) INSPECTION OF THE REPAIR AREA TO MAKE SURE THAT ALL OF THE DAMAGE IS REMOVED;<BR><BR>REMOVED AND REINSTALLED PANEL # 191CL FOR ACCESS AND REMOVED; REINSTALLED AND TESTED RETRACTABLE LANDING LIGHT P/N 45-0351-5 FOR ACCESS IAW 737 NDTM PART 6 51-00-00 PROC 23; AMM 33-42-02-960-802 AND SRM 53-00-03-2R-1.;[04] CRACK FOUND IN FWD CARGO BAY AT STR 25L; AFT OF AFT FASTENER; BS 520+19 WAS REPAIRED IAW SRM 53-00-03-2R-1-A01573;[05] VERIFIED CORRECTIVE ACTION 4

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