Service difficulty report · Support Angle · Boeing 73776N

Difficulty date
January 10, 2024
Submitted
February 5, 2024
Operation
Air carrier
Aircraft
N7727A
Make and model
Boeing 73776N
Aircraft serial
32673
Aircraft time
56,480 hours, 28,904 cycles
Part
Support Angle
Part number
UNKNOWN
Condition
Cracked
Location
Bs 380-400
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

FWD CABIN FLOOR STRUCTURE BETWEEN STA 380 AND 400 LBL 13 WL 208.1 INTERCOSTAL UPPER FLOOR SUPPORT ANGLE IS CRACKED. 124-053<[01] REMOVED AND INSTALLED NEW ANGLE SUPPORT UPPER INTERCOSTAL AT FWD CABIN FLOOR STRUCTURE BETWEEN STA. 380 TO 400 LBL. 13' WL 208.1 REF 51-40-02-0G-0;[02] REMOVED AND INSTALLED NEW ANGLE SUPPORT AT UPPER INTERCOSTAL FWD CABIN FLOOR STRUCTURE BETWEEN STA. 380 TO 400 LBL 13' WL 208.1 REF. SRM. 51-40-02-0G-0 AND DWG. 0006;[03] CORRECTION TO STEP 1 AND 2:REMOVED AND INSTALLED NEW ANGLE SUPPORT AT UPPER INTERCOSTAL FWD CABIN FLOOR STRUCTURE BETWEEN STA. 380 TO 400 LBL 13' WL 208.1 REF. SRM. 51-40-02-0G-0 AND DWG 143A5400;[04] VERIFIED STEP 3

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