SDR SWAA2021011536961

Service difficulty report · Floor Support · Boeing 7377BD

Difficulty date: December 15, 2020
Submitted: January 15, 2021
Operation: Air carrier
Aircraft: N7715E
Make and model: Boeing 7377BD
Aircraft serial: 33921
Aircraft time: 51,070 hours, 26,608 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Aft Cargo
Stage of operation: IN
How discovered: V
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, AFT CARGO COMPARTMENT BILGE FLOOR SUPPORT FASTENER HOLE AT S-27R STA 847, MARKED DOT 60-010 RBL 13.8 AND WL 153.5. REMOVED CORRODED TRACK SUPPORT AND INSTALLED NEW TRACK SUPPORT FROM STA 759 TO STA 887 RBL 13.84 AND INSTALLED NEW SPLICE REPAIR AT STA 759 RBL 13.84, PER REF B737-700 SRM 53-00-53-2R-3 AND EA: 1-A53-8210 REV 5.

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