Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date
January 15, 2025
Submitted
February 13, 2025
Operation
Air carrier
Aircraft
N7742B
Make and model
Boeing 7377BD
Aircraft serial
33928
Aircraft time
57,792 hours, 31,530 cycles
Part
Floorbeam
Condition
Corroded
Location
Zone 200
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

CORROSION ON FLOOR BEAM AT AFT CABIN BS986 RBL43 WL208. MARKED<[01] AREA REPAIRED IAW SRM 53-70-51-2R-6 ALTERNATIVE 4 FIGURE 205 SHEET1 TABLE 204. THIS REAPIR IS CATEGORY A; A PERMANENT REPAIR FOR WHICH THE INSPECTIONS GIVEN IN THE MAINTENANCE PLANNING DATA (MPD) DOCUMENTS; ARE SUFFICIENT AND NO OTHER ACTIONS ARE NECESSARY (SEE SRM 51-00-06 FOR MORE REFERENCE);[02] VERIFIED CORRECTIVE ACTION #1

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