Service difficulty report · Intercostal · Boeing 737823

Difficulty date
March 11, 2026
Submitted
March 12, 2026
Operation
Air carrier
Aircraft
N951NN
Make and model
Boeing 737823
Aircraft serial
33327
Aircraft time
34,986 hours, 14,545 cycles
Part
Intercostal
Part number
141A5410U140
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

AIRCRAFT IN BASE MAINTENANCE: CRACK IN PASSENGER CABIN FLOOR STRUCTURE INTERCOSTAL BETWEEN STA 312 AND STA 328 AT LBL 45. REPLACED INTERCOSTAL PER AARD 51-00-05-1.