SDR SWAA2020062990409

Service difficulty report · Floor Panel · Boeing 7377BD

Difficulty date: June 6, 2020
Submitted: June 29, 2020
Operation: Air carrier
Aircraft: N7704B
Make and model: Boeing 7377BD
Aircraft serial: 33918
Aircraft time: 53,904 hours, 28,389 cycles
System (JASC): 5321 · Fuselage Floor Panel
Part: Floor Panel
Part number: 146A7502
Condition: Corroded
Location: Aft 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

CORROSION FOUND ON THE AFT CARGO FLOOR SIDE PANEL, RBL 21, BS 727 TO 767, WL 155 HAD SEVERAL SPOTS AROUND FASTENER HOLES UPPER AND LOWER SURFACES. REMOVED AND REPLACED THE CHANNEL BETWEEN BS 727-767 RBL 21 IAW SRM 51-40-02-0G-0, LOCATED A NEW CHANNEL IAW SRM 51-40-05-0G-0, 53-00-53-2R-6, AND DRAWING 146A7502.

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