SDR SWAA2021061471253

Service difficulty report · Floorbeam · Boeing 7377H4

Difficulty date: May 11, 2021
Submitted: June 14, 2021
Operation: Air carrier
Aircraft: N222WN
Make and model: Boeing 7377H4
Aircraft serial: 34290
Aircraft time: 52,415 hours, 31,247 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: Bs 263
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 FLIGHT DECK FLOOR STRUCTURE AT B.S. 263; R.B.L. 11; W.L. 207.54 ; / APPLIED PRIME AT REWORKED AREA IAW AMM 51-21-72-370-804.<BR>REINSTALLED NUT PLATE ( 1 E/A) IAW SRM 51-40-02-0G-0 AND DRAWING # 141A5210; INSTALLATION DRAWING 141A0631; VERIFIED APPLICATION OF PRIMER AT REWORKED AREA IAW AMM 51-21-72-370-804. <BR>VERIFIED REINSTALLATION OF NUT PLATE ( 1 E/A) IAW SRM 51-40-02-0G-0 AND DRAWING # 141A5210 AND 141A0631

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