Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date
August 6, 2019
Submitted
March 15, 2022
Operation
Air carrier
Aircraft
N904WN
Make and model
Boeing 7377H4
Aircraft serial
36616
Aircraft time
40,386 hours, 24,069 cycles
Part
Floorbeam
Condition
Corroded
Location
Fuselage
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*** B.S. 986.5 FLOOR BEAM; UPPER SURFACE; AT R.B.L. 30-40; W.L. 208.1. / CORROSION ON BS 986. 5 FLOOR BEAM UPPER SURFACE AT RBL 30-40; WL 208.1 WAS REPAIRED IAW ATS ER 19-04365 REV IR DATED 20AUG19 AND EA 1-753-35433 REV IR

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