Service difficulty report · Intercostal · Boeing 737*

Difficulty date
September 22, 2021
Submitted
October 1, 2021
Operation
Air carrier
Aircraft
N814NN
Make and model
Boeing 737*
Aircraft serial
29562
Aircraft time
36,531 hours, 14,772 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 100 - Fuse
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

AIRCRAFT IN BASE MAINTENANCE: CRACK IN INTERCOSTAL AT CLIPNUT HOLE BETWEEN STA 344 AND STA 360 AT LBL 11, MEASURING L=0.5 IN. REPLACED INTERCOSTAL WITH MODIFIED PART IAW AARD 51-00-05-1, SRM 51-10-02-0G, AND DRAWING 141A5400.