Removal of the Marker Antenna

TASK 34-55-18-000-001-A
Removal of the Marker Antenna

WARNING: BE CAREFUL WHEN YOU USE CONSUMABLE MATERIALS. OBEY THE MATERIAL MANUFACTURER'S INSTRUCTIONS AND YOUR LOCAL REGULATIONS.

ZONE: 130
ZONE: 133
FIN: 1RS

1. Reason for the Job
Self explanatory
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	AR	CAP - BLANKING
No specific	AR	SAFETY CLIP - CIRCUIT BREAKER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
130	FWD CARGO COMPT AFT BULKHEAD OF AVNCS COMPT TO FWD PRESSURE BULKHEAD OF WING CENTER BOX
133	BAY UNDER FWD CAR COMPT FLOOR

C. Referenced Information

REFERENCE	DESIGNATION
Marker Antenna ** ON A/C NOT FOR ALL
Marker Antenna ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 34-55-18-865-050-A

A. Open, safety and tag this(these) circuit breaker(s):

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C ALL
49VU	NAV/VOR/1	2RS1	G13

4. Procedure
Subtask 34-55-18-020-050-A

A. Removal of the Marker Antenna
(1) Remove the sealant from the heads of the screws (4).
(2) Remove the screws (4).
(3) Put the antenna (3) away from the fuselage (2).
(4) Disconnect the coaxial connector (1).
(5) Remove and discard the seal (6).
(6) Remove the antenna (3).
(7) Put CAP - BLANKING on the disconnected coaxial connectors (1) and (5).

[Rev.10 from 2021] 2026.04.01 01:03:09 UTC