SDR CALA2019050700700

Service difficulty report · Angle · Boeing 757222

Difficulty date: May 5, 2019
Submitted: May 7, 2019
Operation: Air carrier
Aircraft: N546UA
Make and model: Boeing 757222
Aircraft serial: 25367
Aircraft time: 99,242 hours, 27,008 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
Part number: 654N0244620
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

B757-49-3-8083 CORROSION BETWEEN APU AIR INLET DOOR HOUSING AND FUSELAGE SKIN CUTOUT. REF N/R 0058236 CORROSION REMOVAL OF FWD STRAP STA 1787.45 S3R TO S6R L=9.0, W=1 .0,D=.250, UPPER ANGLE STA 1790-1800 S3R L=10.0, W=1.0, D=.063, AND LWR ANGLE STA 1790-1820 S6R L=28.0, W-1.0, D-.063 OUT OF LIMITS IAW SRM 53-80-15 FIG 101. REPLACED PARTS 148N3152-1 LWR ANGLE, 148N3138-20 FWD STRAP AND 654N0244-620 UPPER ANGLE IAW DWG 148N3105. WORK WAS ACCOMPLISHED ON N/R 0058236.