FAA · Supplemental Type Certificate
STC ST01897SE-D
Installation of lowered ceiling support extension brackets on Boeing Model 737-400 series aircraft in accordance with Jamco America, Inc. Master Drawing List (MDL) MDL1662-1, Revision A, dated December 16, 2010, or later Federal Aviation Administration (FAA) approved revision.
What is an STC?
A Supplemental Type Certificate authorizes a major modification or alteration to an FAA-certificated aircraft. STCs are how operators legally install new avionics, change fuel systems, add floats, swap engines, etc. — every change beyond a minor modification needs one.
Applicable aircraft (1)
The STC PDF on drs.faa.gov is the authoritative document — it lists installation instructions, ICA requirements, and any limitations. Open PDF ↗