SDR F3LA200100019

Service difficulty report · Floor Support · Boeing 7373S1

Difficulty date: February 17, 2001
Submitted: February 19, 2001
Operation: Air carrier
Aircraft: N311FL
Make and model: Boeing 7373S1
Aircraft serial: 24856
Aircraft time: 31,627 hours, 19,875 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Condition: Corroded
Location: Aft Fuselage
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

DURING C-4 CHECK, INSPECTION REPORTED CORROSION ON AFT FUSELAGE FLOOR SUPPORT, 2 INCHES FROM LT CENTER LINE 0, BETWEEN STA 986.5 AND 967. MAINTENANCE INSTALLED WEB BETWEEN STA 986.5 AND 967 PER SRM 51-10-2 AND REPLACED FLOORBEAM CAP AT STA 967 PER SRM 53-00-51.

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