Service difficulty report · Shear Tie · Boeing 7377H4

Difficulty date
April 10, 2020
Submitted
May 4, 2020
Operation
Air carrier
Aircraft
N470WN
Make and model
Boeing 7377H4
Aircraft serial
33860
Aircraft time
55,307 hours, 32,840 cycles
Part
Shear Tie
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

E&E COMPARTMENT SHEAR TIE AT STA 312 +8' AND 1' ABOVE STR 22L AT WL 155 HAS CORROSION AT LOWER FASTENER / REMOVED CORROSION FROM SHEAR TIE AT LOWER FASTENER AREA IN E+E COMPARTMENT AT STA 312+8' AND 1' ABOVE STR 22L WL 155. ORIGINAL THICKNESS .063'; LOSS .008'; REMAINING .055'. OUT OF LIMITS IAW SRM 53-10-15-1A-1 FIG 108. REMOVED AND REPLACED SHEAR TIE P/N 141A8240-26 IAW BOEING DWG 142A3210 REV C; BOEING DWG 141A8240 REV:- AND SRM 51-40-02-0G-0. APPLIED CIC TO AREA IAW AMM 51-21-91-620-802.

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