Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
March 7, 2024
Submitted
April 10, 2024
Operation
Air carrier
Aircraft
N920WN
Make and model
Boeing 7377H4
Aircraft serial
32460
Aircraft time
51,721 hours, 31,260 cycles
Part
Floorbeam
Part number
UNKNOWN
Condition
Corroded
Location
Bs 987 Rbl 5
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

MAIN CABIN AFT WET AREA EVIDENCE OF CORROSION UNDER PRIMER AT FLOOR BEAM UPPER SURFACE STA 986.5 RBL 5'<[01] REMOVED CORROSION AT MAIN CABIN AFT WET AREA AT FLOOR BEAM UPPER SURFACE STA 986.5 RBL 5' SRM 51-10-02-0G-0<BR><BR>ORIGINAL MATERIAL 0.150'; REMAINING MATERIAL 0.141'; REMOVED MATERIAL 0.009'. REWORKED AREA IS OUT OF LIMITS REF SRM 53-70-51-1A. THIS CARD WILL BE ACCOMPLISHED WITH CARD TTG8Q00S0AHJ.

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