Service difficulty report · Valve · Boeing 7377BD

Difficulty date
July 12, 2024
Submitted
July 16, 2024
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
59,845 hours, 31,990 cycles
Part
Valve
Condition
Cracked
Location
Fuel Cel
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
O

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

What was found

FUEL COMING FROM LEFT MAIN TANK WITH CENTER TANK FUEL AND CENTER TANK PUMPS ON. WITH CENTER TANK EMPTY AND CENTER TANK PUMPS OFF; FUEL TRANSFERRING FROM LEFT MAIN TO THE CENTER TANK<[01] COMPLIED WITH OKAY TO CLOSE AT FUEL ACCESS PANELS 532RB AND 531BB.;[02] COMPLIED WITH OKAY TO CLOSE FUEL ACCESS PANELS 532AB; 532BB; 532CB; 532DB; AND 532AZ.;[03] TTG8Q00UKL9Y REF LINE 25 FOR CRACK. WORK ACCOMPLISHED ON TANK TIGERS WO TT00136;[04] TTG8Q00UKL9Y REF LINE 25 FOR CRACK. WORK ACCOMPLISHED ON TANK TIGERS WO TT00136. TTG800UK2MT FOR WORK PERFORMED (ADDED TO MATCK LP)E76258

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