Service difficulty report · Fitting · Boeing 7377H4

Difficulty date
April 24, 2022
Submitted
May 31, 2022
Operation
Air carrier
Aircraft
N479WN
Make and model
Boeing 7377H4
Aircraft serial
33990
Aircraft time
59,976 hours, 35,850 cycles
Part
Fitting
Condition
Cracked
Location
Lh 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

LEFT WING REAR SPAR DEFLECTION CONTROL RIB PANEL LOWER VERTICAL BULB SEAL FITTING CRACKED @ FASTENER TAIL INB SIDE MKD DOT. REMOVED LEFT WING REAR SPAR DEFLECTION CONTROL RIB PANEL LOWER VERTICAL BULB SEAL FITTING CRACKED @ FASTENER TAIL INB SIDE IN REF B737-700 SRM 51-40-02-0G-0;INSTALLED NEW SEAL FITTING IN REF B737-70-0 SRM 51-40-02-0G-0;

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