Installation of new lavatory drain valves in the forward and aft lavatory drain system in accordance with Kaiser Electroprecision Installation Procedure RYY 104-053, Revision B, dated May 23, 1986, or later FAA approved revision.

Please contact modification supplier for further details.

STC Status: Reissued
STC Date: 17/11/11
Responsible Office: Los Angeles Aircraft Certification Office (ANM-100L), Tel: (562) 627-5200

Boeing Company, The

• 727-100 Series
• 727-200 Series