Service difficulty report · Radome · Airbus A320*

Difficulty date
December 1, 2015
Submitted
December 1, 2015
Operation
General aviation
Filed by
6BUY061C
Airbus Operations SAS
Make and model
Airbus A320*
Part
Radome
Part number
D5311047700007
Part serial
NT1956
Condition
Misrepaired
Stage of operation
IN
How discovered
V
Nature of condition
W
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

THE RADOME HAS BEEN PREVIOUSLY REPAIRED. THE PREVIOUS REPAIRS ARE NOT COMPLIANT WITH THE CURRENT CMM 53-11-15, REV 22 MAY 2011.1.24. REPAIRS OF 130 MM DIAMETER AND 12 REPAIRS OF 50 MM DIAMETER HAVE BEEN PERFORMED ON THE SHELL SANDWICH AREA WITH HONEYCOMB REPLACEMENT AND A SINGLE REPAIR OF ALL THE INNNER SKIN EXCEPT THE MONOLITHIC AREA. IF THE REPAIRS HAVE BEEN PERFORMED IAW TASK 53-15-11-300-801-A01, THE ANOMALIES ARE: THE 3 PRE-PREG LAYERS OVERLAP THE 3 ORIGINAL LAYERS WITHOUT THE 15 MM+/-3 REQUIRED STEPS; THERE IS NO ADHESIVE FILM AND AN UNKNOWN PRE-PREG HAS BEEN USED; THE SMALLER DISTANCE BETWEEN REPAIRS IS 10 MM INSTEAD OF 150 MM MAXI. IF THE REPAIRS HAVE BEEN PERFORMED IAW TASK 53-15-11-300-808-A01,THE MAXIMAL REPAIR DIAMETER SHALL BE 500 MM WHEREAS THE REPAIR AREA IS ON ALL THE SHELL SANDWICH AREA. ALL THE LIGHTNING ARRESTER STRIPS ARE NOT IAW TASK 53-15-11-300-802-A01 & SUBTASK 53-15-11-350-010-A01: