Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
June 24, 2024
Submitted
July 23, 2024
Operation
Air carrier
Aircraft
N252WN
Make and model
Boeing 7377H4
Aircraft serial
34973
Aircraft time
59,332 hours, 35,662 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
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 FLOOR BEAM AT AFT WET AREA BS986 RBL43 WL208.<[01] RII REJECTED SUB-STEPS 5; 6 AND 8 DUE TO MAINTENIX FAULT NUMBER MISSING FOR THE EA 1-753-33056 REV IR. UNABLE TO PERFORM RII INSPECTION.;[02] REMOVED AND REPLACED BS 986 R/H PREVIOUS REPAIR IAW SRM 51-40-02 AS SHOWN IN SWA EA 1-753-33056.;[03] REMOVED AND REPLACED BS 986 R/H PREVIOUS REPAIR IAW SRM 51-40-02 AS SHOWN IN SWA EA 1-753-33056 REV IR.;[04] VERIFIED CORRECTIVE ACTION 3

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