Service difficulty report · Intercostal · Boeing 737

Difficulty date
August 24, 2017
Submitted
May 11, 2022
Operation
Air carrier
Aircraft
N225WN
Make and model
Boeing 737
Aircraft serial
34333
Aircraft time
41,871 hours, 24,576 cycles
Part
Intercostal
Condition
Cracked
Location
Cabin
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

SUPPLEMENTAL INFORMATION: PASS CABIN FLOOR; 3 CRACKS AT FASTENER HOLES ON UPPE R FLANGE OF INTERCOSTAL BETWEEN BS 5OOD AND BS 520. AT BL0. / REMOVED; LOCATED AND CRILLED AND INSTALLED NEW ANLGE AT PASS CABIN FLOOR STA: 500D AND 520 BL-O; AND APP LIED CIC AREA IAW B737-700 SRM 51-40-02-0G-0; SRM 51 -40-05-0G-0; AMM 51-00-59.201 DWG: 143A5400 REV D. T AG: A09419