SDR ASAA2017112822916

Service difficulty report · Intercostal · Boeing 737890

Difficulty date: November 28, 2017
Submitted: December 19, 2017
Operation: Air carrier
Aircraft: N552AS
Make and model: Boeing 737890
Aircraft serial: 34595
Aircraft time: 44,153 hours, 14,778 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 143A751013
Condition: Cracked
Location: Bs 460-480
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

FWD CARGO BAY, LT INTERCOSTAL AT BS 480, LBL 24 HAS CRACKED UPPER ATTACH FLANGE. UNDER TRANSITION PANEL. ACFT GROUNDED. REMOVED AND REPLACED THE INTERCOSTAL IAW SRM 51-40-02, 51-10-02, DWG 143A7505 54-58 REV-,AND EA 800-53EA-19607 REV 00.