Service difficulty report · Stringer · Boeing 7377H4

Difficulty date
June 27, 2023
Submitted
August 14, 2023
Operation
Air carrier
Aircraft
N446WN
Make and model
Boeing 7377H4
Aircraft serial
29842
Aircraft time
63,739 hours, 37,814 cycles
Part
Stringer
Part number
UNKNOWN
Condition
Corroded
Location
Zn 100 Fus Lower
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

CORROSION STRINGER 23R LOCATED BS540 AT FWD CARGO COMPARTMENT 2023-413149<[01] TOOLS USED: TEMPERATURE CONTROLLER: P/N P3015GOES00000; S/N 142811020; DUE DATE: 25-JAN-24; TEMPERATURE CONTROLLER: P/N P3015GOES00000; S/N 112811019; DUE DATE: 25-JAN-24.;[02] EDDY CURRENT EQUIPMENT USED P/N: NORTEC 6OOD; S/N:210138003 AND DUE DATE: 27-MAR-24.;[03] PERFORMED PERMANENT REPAIR ON STRINGER 23R LOCATED BS 540 TO BS 500D AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG 143A3250 REV. A SEE INDIVIDUAL SIGN OFF BELOW.;[04] PERFORMED PERMANENT REPAIR ON STRINGER 23R LOCATED BS 540 TO BS 500D AT FWD CARGO COMPARTMENT IAW B737-700 SRM 53-00-03-2R-1 REPAIR 1 AND DWG 143A3250 REV. A SEE INDIVIDUAL SIGN OFF BELOW.<BR>RII

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