SDR SWAA2020030442045

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: 146A1263
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*** SHEAR TIE BS 807 STR 26L TO 27L WL 156 CORROSION DUE TO BLUE WATER SPILL CORROSION ON SHEAR TIE BS 807 STR 26L, WL156 FOUND OUT OF LIMITS DUE TO PROXIMITY TO FASTENERS HOLE PER SRM 53-00-02-1A-1, REMOVED SHEAR TIE BS 807, STR 26 TO 27, WL 156 PER SRM 51-40-07-0G-0, INSTALLED NEW SHEAR TIE BS 807, STR 26 TO 27, WL 156 PER SRM 51-40-02-0G-0 AND DWG 146A1263 DWG 146A3230 59911U 02/27/20

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