SDR CALA2017062301923

Service difficulty report · Intercostal · Boeing 757222

Difficulty date: June 21, 2017
Submitted: June 23, 2017
Operation: Air carrier
Aircraft: N502UA
Make and model: Boeing 757222
Aircraft serial: 24623
Aircraft time: 92,658 hours, 26,899 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Intercostal
Part number: 146N542519
Condition: Corroded
Location: Bs 1400
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

AFT CARGO INTERCOSTAL, BS 1400 - 1420 BETWEEN STR 29-30R HAS CORROSION. REMOVED THE CORROSION IAW SRM 51-10-02, FIG 1. FOUND TO BE OUT OF LIMITS IAW SRM 53-00-53, FIG 1 01, DETAIL IV, REMOVED AND REPLACED THE INTERCOSTAL IAW B757-200 51- 40-02 PARA 4, PARA 7, FIG 3, FIG 12