SDR CALA2018032801035

Service difficulty report · Angle · Boeing 757222

Difficulty date: March 27, 2018
Submitted: April 23, 2018
Operation: Air carrier
Aircraft: N568UA
Make and model: Boeing 757222
Aircraft serial: 26674
Aircraft time: 81,729 hours, 27,521 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Angle
Part number: 146N87343
Condition: Corroded
Location: Sta1630-1640
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

CORROSION ON THE L4 DOOR CUTOUT FWD INTERCOSTAL OTBD ANGLE BETWEEN BS 1620 AND 1640 JUST BELOW L/4 DOOR POWER ASSIST ACTUATOR. THE INTERCOSTAL ANGLE WAS FOUND OUT OF LIMITS IAW SRM 53-60-15, FIG 101, DETAIL 6. REMOVED AND REPLACED THE INTERCOSTAL ANGLE IAW SRM 51-40-02, PG 1 - 10, AND DWG 146N8734.