Service difficulty report · Floorbeam · Boeing 7377K9

Difficulty date
June 1, 2019
Submitted
March 10, 2022
Operation
Air carrier
Aircraft
N7814B
Make and model
Boeing 7377K9
Aircraft serial
30042
Aircraft time
53,796 hours, 28,089 cycles
Part
Floorbeam
Condition
Corroded
Location
Main Cabin
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

FWD WET AREA FLOOR BEAM AREAS AS CORROSION AT BS 328 RBL 45 TO RBL 53. / REMOVED CORROSION FROM BS 328 FLOOR BEAM RBL 45 TO RBL 53 ORIGINAL T .125' REMAINING T .110' LOSS OF .015' FOUND TO BE OUT OF LIMITS IAW SRM 53-30-51-1A-1 REPAIRED IAW EA 1-A53-8530 REV- P/N 141A5504-26 A90733 TOOL 36647 CAL 10JUN19/ 47745 CAL 6/20/019

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