SDR UPS205026

Service difficulty report · Rib · Boeing 75724APF

Difficulty date: November 14, 1995
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N425UP
Make and model: Boeing 75724APF
Aircraft serial: 25370
System (JASC): 5753 · Trailing Edge Flaps
Part: Rib
Part number: 29510892
Condition: Cracked
Location: Lt Te Flap
Stage of operation: IN
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

WHILE IN FOR C-CHECK, MAINTENANCE FOUND LEFT WING INBD MAIN FLAP HAS CRACKED RIB IN AFT COVER OF THE MAIN OUTBOARD END UPPER SKIN LOWER SURFACE. REMOVED CRACKED RIB FROM L/W INBD FLAP, FABRICATED NEW RIB FROM STOCK EXTRUSION, INSTALLED ON L/W INBD FLAP. ALL WORK DONE IAW SRM 51-70-12.

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