Service difficulty report · Angle · Boeing 757224

Difficulty date
November 25, 2019
Submitted
December 3, 2019
Operation
Air carrier
Aircraft
N12109
Make and model
Boeing 757224
Aircraft serial
27299
Aircraft time
97,512 hours, 22,783 cycles
Part
Angle
Part number
148N31521
Condition
Corroded
Location
Apu Inlet
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

B757-06-3-0270 APU AIR INLET HOUSING LOWER ANGLE CORRODED.REF ST . ENGINEERING N/R 0081178 REMOVED CORROSION AND CHECKED LIMITS TO APU AIR INLET HOUSING LO WER ANGLE; L=10.0", W=1.0", D=.063", ORIGNIAL MATERIAL THICKNESS .063".OUT OF LIMITS IAW B757-200 SRM 53-80-15 FIG 101 DETAIL I A ND II. REMOVED AND REPLACED LOWER ANGLE, P/N: 148N3152-1, BATCH: 0003579256, SAG 1920477, IAW BOEING DRAWING 148N3105 REV C. AREA D BY V921092. DED ON ST-SAA NR 0081178,