Service difficulty report · Frame · Boeing 7377H4

Difficulty date
November 10, 2020
Submitted
November 30, 2020
Operation
Air carrier
Aircraft
N203WN
Make and model
Boeing 7377H4
Aircraft serial
32483
Aircraft time
54,342 hours, 32,160 cycles
Part
Frame
Condition
Cracked
Location
Cabin
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 INDICATION FRAME LOCATED BS 905 BETWEEN STR 8R TO 9R AT PASSENGER CABIN. PERFORMED PERMANENT REPAIR ON FRAME BS 907 BETWEEN S8R TO S9R, IAW E/A SWA NR 20-153-02362 REV IR AND AEROMAN EA NR 53-0762-20 REVISION NR 0 AND PART NR 1 DUE TO NOT FOUND ALLOWABLE DAMAGE FOR CRACK ON FASTENER HOLE. MEASURE OF CRACK IS L=0.152'. REPAIR ANGLE MODE OF 7075-T0/0.063' AND HEAT TREATMENT TO T62 FABRICATED FILLER B FROM 7075T6 0.050' FILLER C 7075.T6 0.056' TOOL USED DIGITAL CALIPER P/N 500-197-20 S/N 10271954 DUE DATE 22APR21.

More about the Boeing 737-7H4