SDR ASAA2015111313885

Service difficulty report · Shear Tie · Boeing 737890

Difficulty date: November 13, 2015
Submitted: November 23, 2015
Operation: Air carrier
Aircraft: N584AS
Make and model: Boeing 737890
Aircraft serial: 35682
Aircraft time: 31,762 hours, 9,497 cycles
System (JASC): 5322 · Fuselage Internal Mounting Structure
Part: Shear Tie
Part number: 143A301074
Condition: Corroded
Location: Bs 500i
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 CARGO COMPARTMENT, FRAME SHEAR TIE IS CORRODED AT BS 500I, BETWEEN S-26R AND S-27R. ACFT GROUNDED. REMOVED CORROSION AND FOUND BEYOND ALLOWABLE LIMITS IAW SRM 53-00-01-1A-5. ORIGINAL MATERIAL THICKNESS IS 0.050 IN, REMAINING THICKNESS IS 0.040", REMOVED 0.010" R & R SHEAR TIE IAW SRM 51-10-02, PARA 9, 51-40-02, AND DWGS 143A1234, REV A, AND 143A3230, REV B.