Service difficulty report · Support · Boeing 7377H4

Difficulty date
July 24, 2021
Submitted
September 15, 2021
Operation
Air carrier
Aircraft
N447WN
Make and model
Boeing 7377H4
Aircraft serial
33720
Aircraft time
58,733 hours, 34,620 cycles
Part
Support
Condition
Cracked
Location
Lt Wing
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

BULB SEAL RETAINER SUPPORT IS CRACKED AT LOWER FASTENER HOLE AT LEFT WING FIXED T/E PANEL JUST AFT OF THE PYLON. ; / [01] LOCATED AND DRILLED WEB ASSY IAW SRM 51-40-02. OK TO INSTALL.; [02] VERIFIED CORRECTIVE ACTION STEP 1. VERIFIED OK TO INSTALL.; [03] INSTALLED SUPPORT IAW AMM 20-50-11.; [04] VERIFIED INSTALLED SUPPORT IAW AMM 20-50-11.

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