Service difficulty report · Pump · Boeing 7377BD

Difficulty date
June 29, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N7720F
Make and model
Boeing 7377BD
Aircraft serial
33922
Aircraft time
56,689 hours, 30,159 cycles
Part
Pump
Part number
UNKNOWN
Condition
Leaking
Location
Zn 100 Fus Lower
Stage of operation
CR
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

ENROUTE; F/A'S REPORTED A STRONG UNIDENTIFIABLE ODOR THROUGHOUT THE ENTIRE CABIN. ODOR LASTED FOR ONLY A COUPLE OF MINUETES; AND WAS NOTICED BY PAX AND CREW. THERE WAS NO ODOR OR ABNORMAL INDICATIONS IN THE COCKPIT. FURTHER THERE WAS NO VISIBLE INDICATIONS OF SMOKE ECT...IN THE CABIN<[01] PERFORMED SMOKE OR FUMES IN CABIN CONDITIONAL INSPECTION PER AMM 05-51-56. SEE #2 ENG DRIVEN PUMP LEAK LOG PG TTG800LXJSF. SEE FILL/ OVERFLOW VALVE WOULD NOT SHUTOFF LOG PG TTG8Q00LXJVS. A/C OK FOR SERVICE. REMOVED AND REPLACED #2 ENGINE DRIVEN PUMP REF. AMM 29-11-11 OPS AND LEAK CHECK GOOD

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