SDR ASAA2018091926171

Service difficulty report · Intercostal · Boeing 737890

Difficulty date: August 24, 2018
Submitted: September 19, 2018
Operation: Air carrier
Aircraft: N564AS
Make and model: Boeing 737890
Aircraft serial: 35103
Aircraft time: 45,573 hours, 13,761 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 147A5660Y21
Condition: Corroded
Location: Fuselage
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 L2 DOOR DRAIN PAN FWD DRAIN LINE SUPPORT IS CORRODED. GROUNDED - YES. RECIEVED NEW P/N 147A5660Y21, LOCATED, DRILLED, AND DEBURRED PER BAC DWG 147A5650 REV A TO BE INSTALLED ON N/R, CUST CARD. FOUND TO BE BEYOND ALLOWABLE LIMITS REF SRM 53-70-51.