Service difficulty report · Intercostal · Boeing 737790

Difficulty date
August 22, 2023
Submitted
September 14, 2023
Operation
Air carrier
Aircraft
N611AS
Make and model
Boeing 737790
Aircraft serial
29753
Aircraft time
72,303 hours, 37,838 cycles
Part
Intercostal
Part number
147A5115
Part serial
NSN
Condition
Corroded
Location
Unknown
Stage of operation
IN
How discovered
O
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

RH STA 1040 RBL 20 COMMON TO THE PRESSURE DOME FLOOR STRUCTURE HAS CORROSION. GROUNDED - YES. REMOVED DAMAGE FORM FLOOR STRUCTURE IAW B737-700 SRM 53-70-51-1A-1 FOUND TO BE IN LIMITS W2" O.063" R=.061" L=1INCH D.002".