SDR SCNA00320

Service difficulty report · Floorbeam · Boeing 7272J4

Difficulty date: April 22, 2000
Submitted: May 25, 2000
Operation: Air carrier
Aircraft: N290SC
Make and model: Boeing 7272J4
Aircraft serial: 20764
Aircraft time: 72,343 hours, 25,368 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Corroded
Location: 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 HEAVY MAINTENANCE CHECK, CORROSION WAS FOUND OUT OF LIMITS ON UPPER FLOORBEAM T-CAP BS 1110 FROM LBL 13.5 TO RBL 22. REMOVED CORROSION IAW B727 SRM 51-10-06. FABRICATED REPAIR PARTS IAW B727 SRM 53-10-08. TREATED AND PRIMED IAW B727 SRM 51-10-02, MM 51-20-02. INSTALLED IAW B727 SRM 53-10-08, 51-30-02.

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