First Wave, Inc. - PAA Line

FAA REPAIR STATION #: F8WR457X | MRO EASA: 145.5494 | MRO CAAC: F.00100408 | INTERIORS EASA: 145.6106 | SITA: TULFWXD

PAA Line

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First Wave's PAA (Phosphoric Acid Anodizing) Line is our most critical process in ensuring proper bonding and is the preferred method of treatment for structural bonding of aluminum alloys. Our process is in accordance with BAC 5555, with each bath being tested daily for specification compliance. Each result is then documented for control and audit purposes.

One key process step in the PAA process line is our hot FPL etch, sulfuric acid, sodium dichromate and DI water, otherwise known as “optimized FPL.” Hot FPL is required for most military parts and is preferred by most major airlines.

The PAA process provides the best possible bonding structure available. We verify that our process is in accordance to BAC5555 by processing and running test coupons with each part through the entire PAA and Autoclave process. Upon completion, First Wave then performs tensile testing, wedge crack extension tests and rolling drum peel tests on each coupon. It is only after these coupons have passed their associated tests and specifications are we ensured that the part/material has been bonded properly. These coupons and test results are then stored to meet vendor and FAA requirements.

For added safety, the PAA Line is segregated and negatively pressured to contain potentially harmful vapors and fumes before being filtered and removed from the facility.

MAINTENANCE SERVICES

BONDED STRUCTURES

Nacelle
Airframe
Flight Control Surfaces

INTERIORS

Seats
Life Vests
Galleys
Oxygen Masks
PSU's

PAA

Optimized FPL
BAC 5555/5514 Compliant
MIL Spec Bond Prime Applications

TOOLING

Assembly Jigs
Bond Tools
Calibration Services

DUCTING

Exhaust
Powerplant

ACTUATORS

Pneumatic
Hydraulic

ON-WING REPAIRS

24/7/365 Service
Portable Hot Bonding
AD and SB Application