Service difficulty report · Attach Fitting · Boeing 73776N

Difficulty date
July 25, 2025
Submitted
July 28, 2025
Operation
Air carrier
Aircraft
N7733B
Make and model
Boeing 73776N
Aircraft serial
32678
Aircraft time
59,653 hours, 30,870 cycles
Part
Attach Fitting
Condition
Cracked
Location
Zone 100
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

FWD CARGO A/C MIX BAY INTERCOSTAL ATTACH FITTING CRACKED AT FWD FACE OF FLOOR BEAM AT STATION 520 CENTER. SEE PIC.<[01] LOCATED AND DRILLED NEW ?L? ANGLE AT STA 520 FLOOR BEAM USING PN: 143A5410U9 PRE FORMED MATERIAL PER SRM 51-40-05;[02] INSTALLED NEW ?L? ANGLE PER SRM 51-40-02;[03] ADDED FAILURE TYPE; CORRECTED FAILURE TYPE FROM NO TO YES.

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