SDR DALA2020022421365

Service difficulty report · Skin · Boeing 757232

Difficulty date: February 21, 2020
Submitted: February 24, 2020
Operation: Air carrier
Aircraft: N674DL
Make and model: Boeing 757232
Aircraft serial: 25979
Aircraft time: 88,501 hours, 39,148 cycles
System (JASC): 5414 · Nacelle/Pylon, Plate/Skin
Part: Skin
Condition: Cracked
Location: Nr 1 Nacelle
Stage of operation: IN
How discovered: O
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 674, L/P 1499322) LH WING #1 PYLON #3 HOLE HAS 2 EA INDICATIONS IN THE CRACK INDICATION ZONE PER B757 NDTM 51-00-16 AT 3 AND 9 OCLOCK POSITION LOOKING AFT. 9 OCLOCK INDICATION ON FITTING AND 3 O CLOCK INDICATION IN UPPER SKIN. AA# 5720-01100-0101A. CORRECTIVE ACTION: REPAIRED LEFT WING I/B AND O/B DRAG FITTINGS AND UPPER SKIN IAW ER/A# 585022-14AD REV ORIGINAL C/W ALL CDCCL AND SFAR 88 REQUIREMENTS.