SDR FDEA200910123536

Service difficulty report · Channel · Boeing 75721B

Difficulty date: October 12, 2009
Submitted: October 12, 2009
Operation: Air carrier
Aircraft: N934FD
Make and model: Boeing 75721B
Aircraft serial: 24331
Aircraft time: 50,153 hours, 32,684 cycles
System (JASC): 5420 · Nacelle/Pylon Miscellaneous Structure
Part: Channel
Part number: 313N500492
Condition: Cracked
Location: Nr 2 Pylon
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

NR 2 PYLON U CHANNEL PP STATION 170 TO PP STATION 185, LBL 13" PP WL 164, HAS A CRACK AT LBL 13" AT LOWER SCREW HOLE. CRACKED CHANNEL ON NR 2 PYLON FROM PPSTA 170 TO PP STA 185, LBL 13" TO RBL 13" , PP WL 164. REMOVED AND REPLACED IAW SRM 51-40-02 REV 98. REPAIR IS CLASSIFIED AS MINOR IAW GMM 6-2-100.

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