Service difficulty report · Sequence Valve · Boeing 74747UF

Difficulty date
August 12, 2021
Submitted
August 16, 2021
Operation
Air carrier
Aircraft
N418MC
Make and model
Boeing 74747UF
Aircraft serial
32840
Part
Sequence Valve
Part number
2670296
Part serial
2146
Condition
Failed
Location
Nlg
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
L

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

What was found

NOSE GEAR FAILED TO EXTEND ON FINAL APPROACH. ABORTED APPROACH EXTENDED SUCCESSFULLY PER QRH PROCEDURES.(<P><SPAN>TRANSFERRED TO MDDR 151711 IAW MEL 32-30-01, CAT C.</SPAN></P> / <P><SPAN>COMPLIED WITH ACTION PLAN 20516 AND 20526. PER ACTION PLAN REMOVED AND REPLACED NLG SEQUENCE VALVE AND NLG DOOR SEQUENCE VALVE. T/I BM1510. THIS CLEARS MDDR 151711.</SPAN></P>)

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