Service difficulty report · Support · Boeing 73776N

Difficulty date
February 1, 2023
Submitted
March 6, 2023
Operation
Air carrier
Aircraft
N7885A
Make and model
Boeing 73776N
Aircraft serial
33379
Aircraft time
62,518 hours, 31,343 cycles
Part
Support
Condition
Cracked
Location
Zn 100 Fus Lower
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

CRACK ON PASSENGER CABIN FLOOR SUPPORT AT BS 540 LBL 1.<[01] REMOVED PASSENGER CABIN FLOOR SUPPORT PANEL BREAK AT BS 540 FROM BL0-LBL24 IAW SRM 51-40-02;[02] LOCATED AND DRILLED NEW PASSENGER CABIN FLOOR SUPPORT PANEL BREAK AT BS 540 FROM BL0-LBL24 IAW SRM 51-40-05-0G-0 DWG 143A5240; OK TO INSTALL;[03] VERIFIED CORRECTIVE ACTION ITEM 2.<BR>OKAY TO INSTALL PART GIVEN.;[04] PASSENGER CABIN FLOOR SUPPORT PANEL BREAK AT BS 540 FROM BL0-LBL24 FOUND TO BE OUT OF LIMITS; PART WILL BE REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02-0G-0;[05] VERIFIED CORRECTIVE ACTION ITEM 4 STATEMENT.;[06] INSTALLED NEW PASSENGER CABIN FLOOR SUPPORT PANEL BREAK AT BS 540 FROM BL0-RBL24 IAW SRM 51-40-02-0G-0; DWG 143A0060; CARD IS COMPLETED;[07] INSTALLED NEW PASSENGER CABIN FLOOR SUPPORT PANEL BREAK AT BS 540 FROM BL0-LBL24 IAW SRM 51-40-02-0G-0; DWG 143A0060; CARD IS COMPLETED;[08] VERIFIED CORRECTIVE ACTION ITEM 7.;[09] VERIFIED MEASUREMENT TABLE.

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