SDR ASAA2022061038951

Service difficulty report · Intercostal · Boeing 737890

Difficulty date: June 10, 2022
Submitted: July 7, 2022
Operation: Air carrier
Aircraft: N565AS
Make and model: Boeing 737890
Aircraft serial: 35181
Aircraft time: 57,302 hours, 16,999 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Intercostal
Part number: 141A541012
Condition: Corroded
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

FWD WET AREA INTERCOSTAL HAS CORRODED FASTENER HOLE AT STA 312 TO 326, LBL 45. GROUNDED - YES. REAMED FASTNER HOLE TO MAX ALLOWABLE LIMITS, CORROSION STILL PRESENT AND FOUND OUT OF LIMITS. REMOVED CORRODED INTERCOSTAL, LOCATED, DRILLED, AND INSTALLED NEW INTERCOSTAL IAW BOEING DWG 141A5410 REV A.