Service difficulty report · Support Angle · Boeing 7377BD

Difficulty date
April 12, 2025
Submitted
May 19, 2025
Operation
Air carrier
Aircraft
N7747C
Make and model
Boeing 7377BD
Aircraft serial
36091
Aircraft time
56,690 hours, 29,425 cycles
Part
Support Angle
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

CRACK SUPPORT ANGLE LOCATED BETWEEN BS291.5 AND BS 294.5 STRINGER 17R PASSENGER CABIN 2025-250425<[01] TOOK MEASURES OF CRACK LOCATED ON ANGLE BTW BS291.5 TO BS294.5 STR17R IS: 1.235' REFER TO FAULT TTG8Q00ZS5VD WHERE ANGLE WAS REPLACED;[02] CORRECTED STEP 1:<BR>TOOK MEASURES OF CRACK LOCATED ON ANGLE BTW BS291.5 TO BS294.5 STR17R IS: 1.235' PCW REFER TO FAULT TTG8Q00ZS5VD WHERE ANGLE WAS REMOVED; FABRIATED AND INSTALLED ON STEPS 4; 9; 10 AND 11 <BR><BR>TOOL USED CALIPER P/N: 500-197-30 S/N: A23334861 DUE DATE: 03/SEP/25;[03] CERTIFICATED AS RII <BR>TOOK MEASURES OF CRACK LOCATED ON ANGLE BTW BS291.5 TO BS294.5 STR17R IS: 1.235' PCW REFER TO FAULT TTG8Q00ZS5VD WHERE ANGLE WAS REMOVED; FABRIATED AND INSTALLED ON STEPS 4; 9; 10 AND 11 <BR><BR>TOOL USED CALIPER P/N: 500-197-30 S/N: A23334861 DUE DATE: 03/SEP/25

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