SDR DALA2020030501653

Service difficulty report · Fastener · Boeing 757251

Difficulty date: March 4, 2020
Submitted: March 5, 2020
Operation: Air carrier
Aircraft: N556NW
Make and model: Boeing 757251
Aircraft serial: 33392
Aircraft time: 49,452 hours, 21,723 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Fastener
Condition: Loose
Location: Rt Wing
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

(AIRCRAFT 5656, L/P 1516474) LOOSE FASTENER NBR 1, 2, 3, 6, 7, 8, 9 AND 10 BY CRACKED PAINT ALL THE WAY AROUND THE FASTENER HEAD AT RH WING UPPER SKIN DRAG FITTING. CORRECTIVE ACTION: RH WING UPPER SKIN DRAG WERE REPLACED PER AMDS 5720-01100-0101B AND FASTENER NBR 4,6,10 WERE REPLACED PER ETI-57-20-041 REV. 3. ERA 585711-14AD REV.ORIGINAL AND PERFORM DAMAGE TOLERANCE EVALUATION.