Service difficulty report · Firewall · Boeing 75723A

Difficulty date
September 8, 2010
Submitted
September 22, 2010
Operation
Air carrier
Aircraft
N918FD
Make and model
Boeing 75723A
Aircraft serial
24290
Aircraft time
69,398 hours, 22,695 cycles
Engine
Rroyce RB211535E4
Part
Firewall
Part number
148N84023
Condition
Corroded
Location
Zone 100
Stage of operation
IN
How discovered
9
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

APU FIREWALL REPAIR HAS SIGN OF CORROSION RBL6. REMOVED DOUBLER IAW SRM 53-80-08 AND 51-40-02, FABRICATED NEW DOUBLER FROM 6AL-4V .025 DIMS 6.2500" X 5.6250" IAW SRM 53-80-08 AND INSTALLED IAW SRM 53-80-08.

More about the Boeing 757-23A