Service difficulty report · Intercostal · Boeing 737790

Difficulty date
March 30, 2015
Submitted
April 6, 2015
Operation
Air carrier
Aircraft
N609AS
Make and model
Boeing 737790
Aircraft serial
29752
Aircraft time
52,237 hours, 23,646 cycles
Engine
Cfmint CFM567B242
Part
Intercostal
Part number
655486221
Condition
Corroded
Location
Bs 1016
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

AFT PRESSURE BULKHEAD INTERCOSTAL CORRODED BS 1016, RBL 8 - RBL 17. ACFT GROUNDED. REMOVED, FABRICATED, AND INSTALLED NEW INTERCOSTAL, PN 148A2261-14 ON AFT PRESSURE BULKHEAD AT BS 1016, RBL 8-RBL 17, WL 210 IAW SRM 51-40-02 AND DWG 148A0922, SHT 0011. SMAL GRANTED FOR FABRICATION OF PART, CONTROL NR P0252177, ENGINEERING ISSUED ME-04 609-0740 FOR USE OF PN 148A2261-14 ON ACFT.