Service difficulty report · Fitting · Boeing 73779P

Difficulty date
June 17, 2021
Submitted
July 27, 2021
Operation
Air carrier
Aircraft
N7820L
Make and model
Boeing 73779P
Aircraft serial
28253
Aircraft time
52,814 hours, 34,351 cycles
Part
Fitting
Condition
Cracked
Location
Lt Wing
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

LEFT WING FIXED T/E DEFLECTION CONTROL RIB PANEL LOWER WEB VERTICAL SEAL FITTING CRACKED I/B SIDE ; / [01] REMOVED RIB AT L/W DEFLECTION PANEL AS PER B737-700 SRM 51-40-02-0G-0.; [02] LOCATED AND DRILLED NEW RIB AS PER B737-700 SRM 51-40-05-0G-0.; [03] VERIFIED WORK PERFORMED; [04] OK TO TREAT AND PRIME; [05] APPLIED ALODINE AND PRIMER AS PER B737-700 SRM 51-20-01-0G-0.; [06] VERIFIED WORK PERFORMED; [07] OK TO INSTALL RIB; [08] INSTALLED RIB PER B737-700 SRM 51-40-02-0G-0.; [09] REPLACED CRACKED VERTICAL SEAL FITTING AT L/W FIXED T/E DEFLECTION CONTROL RIB PANEL AS PER B737-700 SRM 51-40-02-0G-0.; [10] VERIFIED WORK PERFORMED

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