List of modifications

Aeroplanes / Boeing / 737-300

MAP003 - Overhead bin advertisement decals
MAP007 – Komy FF mirror installation in overhead luggage bins
MAP027 – External marking on fuselage
MAP026 – Vertical stabiliser graphics
MAP032 – Water supply line insulation
MAP034 – External markings on fuselage and engines
MAP057 – Column steering wheel SOP procedural update
MAP069 – Decal installation on FWD entry door
MAP070 – Decal installation on Nose landing Gear

MAP032 – Water supply line insulation

This modification was made to prevent in flight loss of water pressure due to freezing at the aft lavatory/galley monument. During flight the water supply line to the aft lavatory had at occasions frozen when aircraft was parked overnight. To prevent the freezing from happening insulation was added to the waterlines. The embodiment was in two phases, one immediately at line and one at D-checks.

The modification includes (customer documents):

  • Engineering order
  • Instructions for Continued Airworthiness

To request development and/or EASA approval of a modification or repair, please contact us.

CONTACT US
background image
Are you looking for a specific modification? CONTACT MAP 21

EASA Design Organisation approval

Certified design

MAP 21 achieved an EASA Part 21 Subpart J Design Organisation Approval in 2007, EASA.21J.326, which enables us to approve modifications to the aviation industry as a delegated EASA authority.