Service difficulty report · Floorbeam · Boeing 7377BD

Difficulty date
January 27, 2024
Submitted
March 1, 2024
Operation
Air carrier
Aircraft
N7734H
Make and model
Boeing 7377BD
Aircraft serial
33923
Aircraft time
57,072 hours, 31,251 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Bs 986
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 LOCATED BS 986.5 RBL 8 WL 208.5 AT AFT GALLEY AREA 2024-78304<[01] TOOL USED: ULTRASONIC THICKNESS GAUGE; PN: 45MG; SN: 232017609; DUE DATE: 22-FEB-24;[02] TOOL USED IN STEPS 8 AND 9: EDDY CURRENT INSTRUMENT P/N: NORTEC 600D; S/N: 210138503; DUE DATE: 21-JUL-24;[03] PERFORMED PERMANENT REPAIR LOCATED ON FLOOR STRUCTURE BEAM BS 986.5 BETWEEN RBL9 TO LBL1 WL 208.5 AT AFT GALLEY AREA. IAW B737-700 SRM 53-70-51-2R-6 REPAIR 6. SEE INDIVIDUAL SIGN OFFS BELOW.;[04] RII COMPLETED JOB

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