Service difficulty report · Upper Sheet · Bolkms BK117C2

Difficulty date
February 9, 2022
Submitted
February 9, 2022
Operation
Air carrier
Aircraft
N611SJ
Make and model
Bolkms BK117C2
Aircraft serial
9303
Aircraft time
5,584 hours, 13,599 cycles
Part
Upper Sheet
Part number
B531M8020201
Part serial
NSN
Condition
Corroded
Location
Zone 100
Part time
5,584 hours, 13,599 cycles
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

DURING INSPECTION, THE COCKPIT FLOOR UPPER SHEET (PN: B531M8020201) AND LOWER SHEET (PN: B531M8021201) ARE DAMAGED IN THE FORM OF CORROSION AT THE LOCATIONS OF THE FWD GROUNDING POINTS. THE CORROSION AREAS FOR THE UPPER SHEET WERE MEASURED TO BE APPROXIMATELY 1.0” X 1.0”. THE CORROSION AREA FOR THE LOWER SHEET WAS MEASURED TO BE APPROXIMATELY 1.0” X 0.50”. DESCRIPTION OF WORK: REPAIRED THE DAMAGE IN ACCORDANCE WITH AIRBUS REPAIR DESIGN APPROVAL RDAS-BK117-53-2022-0123 ISSUE A DATED 20 JAN 2022. APPROVED DATA: RDAS-BK117-53-2022-0123 ISSUE A DATED 20 JAN 2022 IS EASA APPROVED (DOA EASA.21J.700). IAW THE FAA AND EASA BILATERAL AGREEMENT AND TECHNICAL IMPLEMENTATION PROCEDURES, THE FAA CONSIDERS THE DATA FAA APPROVED.