Service difficulty report · Bolt · Boeing 76731B

Difficulty date
June 10, 2023
Submitted
June 12, 2023
Operation
Air carrier
Aircraft
N664GT
Make and model
Boeing 76731B
Aircraft serial
26259
Aircraft time
109,482 hours, 17,361 cycles
Part
Bolt
Part number
UNKNOWN
Part serial
NSN
Condition
Unknown
Location
Unknown
Stage of operation
IN
How discovered
O
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

DURING MEASURING OF THE ELECTRICAL BONDING RESISTAMCE OF AC OVERRIDE PUMP LH, AC OVERRIDE PUMP RH AND APU DC FUEL PUMP ARE OUT OF LIMITS.(<P>BOLTS AND O-RINGS WERE REPLACED AND MEASURED THE ELECTRICAL BONDING RESISTENCE OF AC OVERRIDE PUMP LH AND AC OVERRIDE PUMP RH AFTER IAW AMM 28-22-05-404-078-002 REV 139 APR 22 2023. PUMP</P> / <P>RH 0.32 MILLIHOMS, PUMP LH 0.23 MILLIOHMS, BONDING METER S/N DC005829 - 19DEC 23. MEASURE THE ELECTRICAL BONDING RESISTENCE OF APU DC FUEL PUM 0.05 MILLIOHMS OK IAW AMM 28-25-01-404-029 REV 139</P> / <P>APR 22 2023 BONDING METER S/N DC 005040 - 08NOV23</P>)

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