Service difficulty report · Floorbeam · Boeing 7377CT

Difficulty date
April 13, 2022
Submitted
April 18, 2022
Operation
Air carrier
Aircraft
N7831B
Make and model
Boeing 7377CT
Aircraft serial
32752
Aircraft time
59,721 hours, 30,321 cycles
Part
Floorbeam
Condition
Cracked
Location
Fuselage
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

PASSENGER CABIN - GAIN ACCESS TO REPAIR NO. 8 T437987 CABIN LONGITUDINAL FLOOR BEAM CRACKED; BS 727B; RBL 24.75; 1 EA AFT RH HOLE / [01] REMOVED CARPET AS REQUIRED FOR F.O.M FROM STA 727-787 LBL 24.75 TO RBL 45.5 I/A/W AMM 25-27-15-000-801.;[02] REMOVED PHOTOLUMINESCENT STRIPS AS REQUIRED FOR F.O.M FROM STA 727-787 LBL 24.75 TO RBL 45.5 I/A/W AMM 33-51-15-000-802.;[03] REMOVED FLOOR PANELS 242CF AND 241DF FOR F.O.M I/A/W AMM 53-21-00-000-801.;[04] OK TO INSTALL PANELS;[05] INSTALLED FLOOR PANELS 242CF AND 241DF I/A/W AMM 53-21-00-400-801.;[06] STEP 5 OK;[07] INSTALLED CARPET AS REQUIRED FOR F.O.M FROM STA 727-787 LBL 24.75 TO RBL 45.5 I/A/W AMM 25-27-15-400-801;[08] INSTALLED PHOTOLUMINESCENT STRIPS AS REQUIRED FOR F.O.M FROM STA 727-787 LBL 24.75 TO RBL 45.5 I/A/W AMM 33-51-15-400-802.

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