SDR UIEA2019022503379

Service difficulty report · Actuator · Boeing 7673Y0

Difficulty date: February 24, 2019
Submitted: February 25, 2019
Operation: Air carrier
Aircraft: N1181A
Make and model: Boeing 7673Y0
Aircraft serial: 26206
Aircraft time: 84,890 hours, 20,975 cycles
System (JASC): 2830 · Fuel Dump System
Part: Actuator
Condition: Malfunctioned
Location: Fuel Jettison
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

WHILE PERFORMING BOOST OVERRIDE ON A JETTISON PUMP TASK CARD, CHECK FAILED AT STEP C.3, LEFT JETTISON NOZZLE OPENED DURING CHECK. RESEATED THE LEFT JETTISON NOZZLE ACTUATOR IAW AMM 28-31-05, PEFORMED A GOOD OPS CHECK IAW AMM 28-31-00.)

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