SDR ASAA2015091713243

Service difficulty report · Intercostal · Boeing 737790

Difficulty date: September 17, 2015
Submitted: September 30, 2015
Operation: Air carrier
Aircraft: N611AS
Make and model: Boeing 737790
Aircraft serial: 29753
Aircraft time: 54,332 hours, 24,639 cycles
System (JASC): 5312 · Fuselage Main, Bulkhead
Part: Intercostal
Part number: 148A226117
Condition: Corroded
Location: Bs 1016 Bulkhead
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

MAIN CABIN, AFT PRESSURE BULKHEAD INTERCOSTAL AT BS 1016, BL 0-LBL 9, WL 210 CORRODED. ACFT GROUNDED. R & R AFT PERSSURE BULKHEAD INTERCOSTAL PN 148A2261-17 IAW SRM 51-40-02 & DWG 148A0922, SHT 11-12. APPROVED ME-04, NR 611-0790. DOT REMOVED.