Service difficulty report · Beam · Boeing 7377BD

Difficulty date
February 24, 2023
Submitted
March 31, 2023
Operation
Air carrier
Aircraft
N556WN
Make and model
Boeing 7377BD
Aircraft serial
33936
Aircraft time
37,398 hours, 21,958 cycles
Part
Beam
Condition
Corroded
Location
Zn 200 Fus Top
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 ON PASSENGER CABIN FLOOR BEAM AT BS 986 RBL 43.<[01] CORROSION ON PASSENGER CABIN FLOOR BEAM AT BS 986 RBL 43 FOUND TO BE OUT OF LIMITS DUE TO PREVIOUS REPAIR. THE STRUCTURAL ITEM NEED TO REMOVED AND REPLACE IAW SRM 51-10-02 PAR 9C;[02] VERIFIED ACTIONS 1 AND MEASUREMENT TABLE;[03] 'REFER TO FAULT TTG8Q00J2X60 WHERE EA 23-153-00739 WAS ADDED AS A SUBTASK.'<BR><BR>'FAULT RESOLVED ON OTHER FAULT' REPAIR REFERENCE IS SELECTED.;[04] VERIFIED CORRECTIVE ACTION 3.

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