Service difficulty report · Nut Plate · Boeing 757224

Difficulty date
August 31, 2024
Submitted
September 3, 2024
Operation
Air carrier
Aircraft
N14121
Make and model
Boeing 757224
Aircraft serial
27563
Aircraft time
87,286 hours, 21,248 cycles
Part
Nut Plate
Part number
148N313820
Condition
Corroded
Location
Door Frame
Stage of operation
IN
How discovered
O
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

GEN ITEM 19-5310-1-2576 APU DOOR EXTERNAL SURROUND STRUCTURE LIF TED FWD LWR REF NR 172653-300-0008 FOUND STRAP NUTPLATE SURFACE 100% CORRODED INTERGRANULAR CORROSI VE THROUGHOUT FOUND TO BE OUT OF LIMITS, REPLACED STRP PN 148N31 38-20 IAW B757 SRM 51-40-02 PARA 4 AND 7 AND BOEING DWG NO 148N3 138 SEE NON-ROUTINE 172653-0300-0008 FOR DETAILS