Service difficulty report · Seal · Boeing 7377H4

Difficulty date
December 18, 2024
Submitted
December 30, 2024
Operation
Air carrier
Aircraft
N211WN
Make and model
Boeing 7377H4
Aircraft serial
34163
Aircraft time
65,023 hours, 38,953 cycles
Part
Seal
Condition
Leaking
Location
Zone 500
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EXTERNAL FUEL LEAK ON LOWER SKIN LAP JOINT OF STRINGER 9 FROM RIB 7 TO RIB 18 AND ON EXTERNAL AREA OF ACCESS PANEL 532AB AT LT WING FUEL TANK 2024-732550<[01] REMOVED AND APPLIED SEALANT ON LOWER SKIN LAP JOINT OF STRINGER 9 FROM RIB 7 TO RIB 18 AT LT WING FUEL IAW B737-700 AMM 28-11-00-300-803 ; REMOVED AND REINSTALLED ACCESS PANEL 532AB IAW B737-700 AMM 28-11-11-000-801 ; AMM 28-11-11-400-801 ;REPLACED RUBBER DOOR SEAL IAW B737-700 AMM 28-11-11-900-801 AND PERFORMED LEAK CHECK IAW B737-700 AMM 28-11-00-400-801 AND NO FOUND LEAK.SEE INDIVIDUAL SIGN OFF BELOW.;[02] REMOVED AND APPLIED SEALANT ON LOWER SKIN LAP JOINT OF STRINGER 9 FROM RIB 7 TO RIB 18 AT LT WING FUEL IAW B737-700 AMM 28-11-00-300-803 ; REMOVED AND REINSTALLED ACCESS PANEL 532AB IAW B737-700 AMM 28-11-11-000-801 ; AMM 28-11-11-400-801 ;REPLACED RUBBER DOOR SEAL IAW B737-700 AMM 28-11-11-900-801 AND PERFORMED LEAK CHECK IAW B737-700 AMM 28-11-00-400-801 AND NO FOUND LEAK. VERIFIED

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