SDR SWAA2020030442042

Service difficulty report · Shear Tie · Boeing 7377H4

Difficulty date: January 30, 2020
Submitted: March 4, 2020
Operation: Air carrier
Aircraft: N426WN
Make and model: Boeing 7377H4
Aircraft serial: 29830
Aircraft time: 61,080 hours, 36,269 cycles
System (JASC): 5322 · Fuselage Internal Mounting Structure
Part: Shear Tie
Part number: 146A1221
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

***CORROSION*** ON SHEAR TIE BS 727E STR 26L TO 27L WL 156 CORROSION DUE TO BLUE WATER SPILL DAMAGE EVALUATION ON AFT CARGO BAY SHEAR TIE BS 727E STR 26L TO STR 27L WAS FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO HOLES PER SRM 53-00-07-1A-1 REMOVED AND INSTALLED NEW SHEAR TIE BS 727E, STR 26L TO STR 27L, WL 156. PER SRM 51-40-02, DWG 146A1221, AND 146A3230 AND 146A3011 87713U 27FEB2020

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