Service difficulty report · Intercostal · Boeing 737790

Difficulty date
August 29, 2024
Submitted
September 11, 2024
Operation
Air carrier
Aircraft
N613AS
Make and model
Boeing 737790
Aircraft serial
30163
Aircraft time
74,118 hours, 39,121 cycles
Part
Intercostal
Part number
147A740113
Condition
Corroded
Location
Zone 100
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 CARGO COMPARTMENT, INTERCOSTAL P/N 147A7401-3 BETWEEN STA. 907 AND STA. 927, STR 23L AND STR 24L IS CORRODED. GROUNDED - YES. REMOVED AND REPLACED CORRODED INTERCOSTAL WHICH EXCEEDS ALLOWABLE LIMITS IAW B737NG SRM 53-00-53-1A-2. NEW INTERCOSTAL P/N 147A7401-13 PO#1099721.1 INSTALLED IAW B737NG SRM 51-40-02 AND BAC DWG#147A7401 REV.C AND ASA ME-04 ASA-613-1172.