SDR SWAA2020030442043

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: 146A1261
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 747 STR 26L TO 27L WL 156 CORROSION DUE TO BLUE WATER SPILL CORROSION ON SHEAR TIE AT BS 747, STR 26L-27L WL 56 FOUND TO BE OUT OF LIMITS DUE TO PROXIMITY TO FASTENERS HOLES PER SRM 53-00-007-1A-1, REMOVED SHEAR TIE AT BS 747, STR 26L-27L, WL 156 PER SRM 51-40-02-0G-0, INSTALLED NEW SHEAR TIE AT BS747, STR 26 L-27L, WL 156 PER SRM 51-40-02-0G DWG 146A1261 93114U 27FEB20

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