SDR SWIA971941

Service difficulty report · Sequence Valve · Emb EMB120ER

Difficulty date: August 20, 2000
Submitted: August 23, 2000
Operation: Air carrier
Aircraft: N188SW
Make and model: Emb EMB120ER
Aircraft serial: 120039
Aircraft time: 33,296 hours, 41,189 cycles
Engine: Pwa PW118B
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Sequence Valve
Condition: Failed
Location: Rt Mlg
Stage of operation: CL
How discovered: O
Nature of condition: F
Precautionary procedure: O

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

What was found

RIGHT MAIN LANDING GEAR WOULD NOT RETRACT AFTER TAKEOFF. RECYCLED LANDING GEAR TWICE. ON SECOND RETRACTION GEAR HESITATED, THEN CAME UP. CONTINUED TO SLC. REMOVED AND REPLACED RIGHT MLG INBOARD SEQUENCE VALVE. SWUNG GEAR. OPS AND LEAK CHECKS GOOD IAW MM 32-32-04. P/N ON: 120-32943-001, S/N: 1777, S/N OFF: 225.

More about the Emb EMB-120ER