SDR SWAA2020030542153

Service difficulty report · Floor Support · Boeing 7377BX

Difficulty date: February 25, 2020
Submitted: March 5, 2020
Operation: Air carrier
Aircraft: N552WN
Make and model: Boeing 7377BX
Aircraft serial: 30744
Aircraft time: 59,169 hours, 33,658 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Floor Support
Part number: 143A0060
Condition: Cracked
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

CRACKED FLOOR SUPPORT AT PASSENGER CABIN BS540 RBL1 WL208. REMOVED, LOCATED AND DRILLED FLOOR SUPPORT STA. 540 RBL 1 PER SRM 51-40-02 PAR 7D, SRM 51-40-05 FIG. 4 AND DWG. 143A0060. OK TO INSTALL. LEAD 59 29FEB20 INSP 45 27FEB20 INSTALLED FLOOR SUPPORT PER SRM 51-40-02 PAR 7D AND DWG. 143A0060. 91195U 2.29.20

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