Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 15, 2022
Submitted
August 24, 2022
Operation
Air carrier
Aircraft
N950WN
Make and model
Boeing 7377H4
Aircraft serial
36664
Aircraft time
39,351 hours, 23,848 cycles
Part
Intercostal
Condition
Cracked
Location
Fuselage
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

MAIN CABIN FLOOR SUPPORT INTERCOSTAL CRACKED @ BL-0 BETWEEN. STA 380 AND STA 400 MKD DOT / [01] REMOVED MAIN CABIN FLOOR SUPPORT INTERCOSTAL CRACK @ BL-0 BETWEEN. STA 380 AND STA 400 IN REF SRM 51-40-02-0G-0;[02] LOCATED AND DRILLED NEW MAIN CABIN FLOOR SUPPORT INTERCOSTAL @ BL-0 BETWEEN. STA 380 AND STA 400 IN REF SRM 51-40-05-0G-0;;[11] ENTER IN ERROR STEP # 10 INSTALLED EWIS PROTECTION AREA AT MAIN CABIN FLOOR SUPPORT INTERCOSTAL @ BL-0 BETWEEN. STA 380 AND STA 400;REMOVED MAIN CABIN FLOOR SUPPORT INTERCOSTAL CRACK @ BL-0 BETWEEN. STA 380 AND STA 400 IN REF SRM 51-40-02-0G-0;LOCATED AND DRILLED NEW MAIN CABIN FLOOR SUPPORT INTERCOSTAL @ BL-0 BETWEEN. STA 380 AND STA 400 IN REF SRM 51-40-05-0G-0;INSTALLED NEW MAIN CABIN FLOOR SUPPORT INTERCOSTAL CRACK @ BL-0 BETWEEN. STA 380 AND STA 400 IN REF SRM 51-40-02-0G-0 AND REMOVED EWIS PROTECTION AREA AT MAIN CABIN FLOOR SUPPORT INTERCOSTAL @ BL-0 BETWEEN. STA 380 AND STA 400;[12] VERIFIED STEPS 7; 8 AND 9;[13] VERIFIED STEP 11 AND 12

More about the Boeing 737-7H4