Service difficulty report · Connector · Boeing 73776Q

Difficulty date
August 1, 2023
Submitted
August 2, 2023
Operation
Air carrier
Aircraft
N565WN
Make and model
Boeing 73776Q
Aircraft serial
30282
Aircraft time
57,676 hours, 38,106 cycles
Part
Connector
Part number
UNKNOWN
Condition
Faulty
Location
Zn 100 Fus Lower
Stage of operation
CR
How discovered
9
Nature of condition
O
Precautionary procedure
A, O

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

What was found

FLAP ASYMMETRY DISCOVERED DURING CRUISE BY SPLIT NEEDLES ON FLAP GAUGE. RT FLAP SHOWED FULL UP; LT FLAP WAS BETWEEN UP AND 1. VERIFIED ASYMMETRY BY CONFIGURING EARLY ON ARRIVAL. FLAPS DID NOT MOVE. PERFORMED A TRAILING FLAPS UP LANDING. VREF/VTARGET WAS 170/175. AUTOBRAKES 3 SELECTED. LANDING WAS SMOOTH & DIDNT FEEL AUTOBRAKING UNTIL 150 KTS. RAN BRAKE COOLING FOR 160 KTS AND PARKED AT GATE FOR COOLING. AFTER LANDING NOTICED FLAP GAUGE READING BOTH FLAPS FULL UP LIKE NORMAL. ALSO NOTED HYD SYS B WAS AT 73% RF.<[01] REF AD-HOC FOR FLAP LOCK OUT (TTG8Q00MJMKL)<BR>FLAP #2 SKEW SENSOR R/R; TERMINATED PIN D40024J; AND R/R CONNECTOR D40024P/J. OPS CHECK GOOD PER AMM 27-51-00.

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