SDR SWAA2021070280170

Service difficulty report · Floor Panel · Boeing 7377BD

Difficulty date: June 4, 2021
Submitted: July 2, 2021
Operation: Air carrier
Aircraft: N7721E
Make and model: Boeing 7377BD
Aircraft serial: 34479
Aircraft time: 50,877 hours, 26,372 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Condition: Corroded
Location: Fwd Cargo
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

A22-33; FWD PIT FLOOR PANEL 120AF; 3 EDGES OF UPPER SURFACE; CORROSION; (SECONDARY STRUCTURE) ; / [01] VERIFIED MATERIAL AS 2024-T3- .071.IAW AMM 25-52-01-201-801. A-TAG # A30648; [02] C/W STEP 1; [03] BEGAN FABRICATING FLOOR PANEL 140AF. IAW AMM 25-52-01-201-801.; [04] VERIFIED STEP 3; [05] FABRICATED REPLACEMENT FWD PIT FLOOR PANEL 120AF; VERIFIED MATERIAL AS 2024-T3-.071. A-TAG# A30648. IAW AMM 25-52-01-201-801.; [06] C/W STEP 5<BR>AUDIT C/W

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