SDR DALA2015102106311

Service difficulty report · Support Channel · Boeing 757232

Difficulty date: October 17, 2015
Submitted: October 21, 2015
Operation: Air carrier
Aircraft: N650DL
Make and model: Boeing 757232
Aircraft serial: 24390
Aircraft time: 86,155 hours, 37,155 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Support Channel
Condition: Corroded
Location: Bs 345
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

R-1 DOOR AREA SUPPORT CHANNEL FOR FWD DRAIN HAS SURFACE CORROSION BS 335, RBL 55 AND BS 345, CP53-222-01. R & R SUPPORT CHANNEL AT R1 DOOR, BS 335, RBL 55 IAW ENGINE DWG 141N5160, REV B, SRM 51-40-02, SRM 51-20-01, SRM 51-40-05, SRM 53-00-15. PN 141N5160U79 PO 650DL-00146. AFTER FOUND AREA WITH ORIGNAL THICKNESS .063 MATERIAL LOSS 0.040, MATERIAL REMAINING .023 FOUND TO BE OUT OF LIMITS IAW SRM 53-10-15.