SDR FDEA202101110052

Service difficulty report · Floor Support · Boeing 75721B

Difficulty date: January 11, 2021
Submitted: January 20, 2021
Operation: Air carrier
Aircraft: N933FD
Make and model: Boeing 75721B
Aircraft serial: 24330
Aircraft time: 62,643 hours, 36,857 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 144N507010
Condition: Punctured
Location: Main Deck
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

MAIN DECK STA 1055 LBL 43 FLOOR SUPPORT HAS A PUNCTURE HOLES. EVALUATED FLOOR SUPPORT AT MAIN DECK STA 1055 LBL 43,FOUND DAMAGE ONLY ON CO COVER COVER PLATE IAW B 757 SRM 51-10-02-OG,FABRICATED AND INSTALLED NEW COVER PLATE IAW B 757 SRM 51-40-02-OG AND BOEING DWG # 144N5070 REV: B AND W.

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