SDR NACA2019123024153

Service difficulty report · Channel · Boeing 737436

Difficulty date: December 24, 2019
Submitted: December 30, 2019
Operation: Air carrier
Aircraft: N401YK
Make and model: Boeing 737436
Aircraft serial: 25860
Aircraft time: 57,189 hours, 36,394 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Corroded
Location: Bs 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

BS 727F + 5, RBL 8.1, AFT CARGO FLOOR CHANNEL CORRODED. THE CHANNEL WAS BLENDED IAW SRM 51-10-02, PARAGRAPH 14, REV 103. ORIGINAL MATERIAL THICKNESS 0.080" IAW SRM 53-60-53 REV 103. THICKNESS REMOVED 0.036", THICKNESS REMAINING 0.042", THE CHANNEL WAS FOUND BEYOND LIMITS IAW SRM 53-60-53 REV.103. REPAIRED THE CHANNEL IAW SRM 53-00-53, REPAIR 1, FIG 201, REV 103.