Service difficulty report · Retainer · Boeing 7377H4

Difficulty date
January 22, 2023
Submitted
February 10, 2023
Operation
Air carrier
Aircraft
N407WN
Make and model
Boeing 7377H4
Aircraft serial
29817
Aircraft time
71,833 hours, 42,592 cycles
Part
Retainer
Condition
Cracked
Location
Zn 600 Right Win
Stage of operation
IN
How discovered
9
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

RIGHT WING REAR SPAR T/E DEFLECTION CONTROL RIB PANEL LWER T/E VERTICAL BULB SEAL FITTING RETAINER CRACKED @ FASTENER HEAD MKD DOT<[01] REMOVED AND REPLACED VERTICAL BULB SEAL FITTING RETAINER AT RIGHT WING REAR SPAR T/E DEFLECTOR CONTROL RIB PANEL PER BOEING 737-700 SRM 51-40-02-0G-0;[02] VERIFIED INSTALLATION

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