Service difficulty report · Floor Support · Boeing 737823

Difficulty date
July 28, 2021
Submitted
August 13, 2021
Operation
Air carrier
Aircraft
N804NN
Make and model
Boeing 737823
Aircraft serial
29567
Aircraft time
36,420 hours, 14,654 cycles
Part
Floor Support
Part number
141A5410U140
Condition
Cracked
Location
Bs 312-328 Rbl30
Stage of operation
IN
How discovered
9
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 BETWEEN STA 312 AND STA 328 AT RBL 30.5, MEASURING L=1.75 IN, W=0.001 IN, D=0.04 IN. REPLACED INTERCOSTAL WITH NEW IAW AARD 51-00-05-1.