SDR CALA2013081290322

Service difficulty report · Channel · Boeing 757222

Difficulty date: August 9, 2013
Submitted: August 14, 2013
Operation: Air carrier
Aircraft: N540UA
Make and model: Boeing 757222
Aircraft serial: 25252
Aircraft time: 71,991 hours, 26,338 cycles
Engine: Pwa PW2040
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Channel
Condition: Corroded
Location: Bs 1660-1681
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

CORROSION ON FLOORBOARD ATTACH CHANNEL BETWEEN BS 1660-1681, BL 0. BLENDED CORROSION, FOUND TO BE OUT OF LIMITS IAW SRM 53-00-51, FIG 101. R & R FLOORBOARD ATTACH CHANNEL BS1660-1681, BL-0 IAW SRM 51-40-02, PAR 4, FIG 8 & PAR 7D, FIG 12.