SDR DALA2020090532965

Service difficulty report · Floorbeam · Boeing 7378EH

Difficulty date: September 1, 2020
Submitted: September 6, 2020
Operation: Air carrier
Aircraft: N775DE
Make and model: Boeing 7378EH
Aircraft serial: 39620
Aircraft time: 16,683 hours, 11,483 cycles
System (JASC): 5315 · Fuselage Main, Floor Beam
Part: Floorbeam
Condition: Cracked
Location: Bs 540
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

DURING HCK AT QRO, WHILE PERFORMING A BASE ZONAL INSPECTION PER WC 5300-2342, SEVERAL CRACKS WERE FOUND AFFECTING PANEL BREAK DETAILS P/N 143A5240-33 & -34 AT STA 540 BTW RBL 24.75 - LBL 24.75, PERTAINING TO LOWER LOBE INTEGRATION INSTALLATION. DAMAGE WAS REPAIRED PER ERA 587606-14.

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