SDR ASAA2018040524404

Service difficulty report · Channel · Boeing 737890

Difficulty date: April 5, 2018
Submitted: April 30, 2018
Operation: Air carrier
Aircraft: N559AS
Make and model: Boeing 737890
Aircraft serial: 35178
Aircraft time: 42,977 hours, 12,800 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Part number: 146A750231
Condition: Corroded
Location: Bs 727-727f
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 BAY, RT TRANSITION PANEL CHANNEL IS CORRODED AT BS 727 TO 727F. ACFT GROUNDED. BLENDED THE CORROSION, FOUND TO BE OUT OF LIMITS, FABRICATED A NEW REPAIR SECTION IAW SRM 53-00-53, REPAIR 5. REMOVED THE DAMAGED SECTION AND INSTALLED THE REPAIR SECTION IAW DWG 146A7500, REV A, AND SRM 53-00-53, REPAIR 5.