Service difficulty report · Strap · Boeing 7572B7

Difficulty date
December 9, 2009
Submitted
December 9, 2009
Operation
Air carrier
Aircraft
N909FD
Make and model
Boeing 7572B7
Aircraft serial
27200
Aircraft time
52,338 hours, 21,726 cycles
Part
Strap
Part number
148N31388000
Condition
Corroded
Location
Apu Intake
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

CORROSION AROUND FASTENER HOLES AT APU AIR INTAKE CUTOUT STA 1825 BET S 3R-6R. REMOVED CORROSION IAW SRM 51-10-02. BLENDED AREA L=15.0 W=1.0 D=0.025 ORIG MATERIAL 0.100. FOUND OUT OF LIMITS IAW SRM 53-80-01 DET III. REMOVED ANGLE IAW SRM 51-40-02. REMOVED FAIRING IAW SRM 51-40-02. REMOVED STRAP AT STA 1825 S-3R TO S-6R IAW SRM 51-40-02. RECEIVED NEW STRAP. LOCATED AND DRILLED IAW SRM 51-40-05. TREATED AND PRIMED IAW SRM 51-20-01. INSTALLED STRAP IAW SRM 51-40- 02. INSTALLED FAIRING IAW SRM 51-40-02 AT STA 1825. INSTALLED ANGLE IAW SRM 51-40-02. CATEGORY "A" MAJOR REPAIR.

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