SDR ASAA2015033011215

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
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 148A22611
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 17-RBL 27. ACFT GROUNDED. R & R INTERCOSTAL, PN148A2261Y25, PO 835954.1 ON THE AFT PRESSURE BULKHEAD AT BS 1016, RBL 17-RBL 27 IAW SRM 51-40-02 AND DWG 148A0922, SHT 0011. ENGINEERING ISSUED ME-04, ASA-609-0741 FOR USE OF PN 148A2261Y25 IN LIEU OF PN 148A2261-1.