Service difficulty report · Intercostal · Boeing 737990ER

Difficulty date
October 20, 2024
Submitted
November 13, 2024
Operation
Air carrier
Aircraft
N442AS
Make and model
Boeing 737990ER
Aircraft serial
43293
Aircraft time
39,526 hours, 12,369 cycles
Part
Intercostal
Part number
147A565022
Condition
Corroded
Location
Zone 200
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 STA 946 INTERCOSTAL HAS CORR FASTENER. GROUNDED - YES. REMOVED CORROSION ORIG .080, REMAIN .066, LOSS OF .014. FOUND OUT OF LIMITS IAW B737 900ER SRM 53-70-51 REMOVED AND REPLACED INTERCOSTAL AND LAV MOUNT ALL IAW BAC DWG 147A5650 REV C.