Service difficulty report · Tube · Boeing 7878

Difficulty date
November 8, 2019
Submitted
November 9, 2019
Operation
Air carrier
Aircraft
N27903
Make and model
Boeing 7878
Aircraft serial
34823
Aircraft time
28,812 hours, 3,496 cycles
Part
Tube
Part number
783Z25105
Condition
Cracked
Location
Left Fuel Tank
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

LEFT FUEL TANK INCREASE OVER 1000 LBS ABOVE WITH FUEL IN CENTER TANK ACPTEST PER MM 28-21-00-12A-364A-A NO FAULTS NOTED. RUNNING ALL 6 PUMPS FOUNND THAT WITHIN 6 MINUTES 100 LBS XFERED TO LEFT TANK AFTER 60 MINUTES 500 LBS XFERED TO LEFT TANK. CHECKING FLEET TEAM DIGEST ATA 2822-21 (787 FTD 28-18001) POSSIBLE MANIFOLD CRACKS REPLACED FUEL MANIFOLD ITEM 235 REF LOG PAGE 7357969 FOR WORK PERFORMED. REQUIRES OPS AND LEAK CHECK. OPERATED ALL PUMPS WITH CROSSFEED OPEN WITH NO FUEL MOVMENT FRO M CENTER OR RT TANK TO LT IN 30 MIN.

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