LIMIT SWITCH (S-145) PLACARD INSTALLED INCORRECTLY. SERVICE LETTER MOS RUDDER TRIM INDICATOR - ERRATIC OR STUCK NEEDLE. SERVICE LETTER MOS WSA1 SPOILER CABLE MAY HAVE A MINIMAL RIDING CONDITION ON THE UPPER SIDE OF THE LOWER PULLEY OF THE 251A1411.6 SPOILER TURNAROUND PULLEY BRACKET. SERVICE LETTER MOS COM