SDR DALA2020010300026

Service difficulty report · Skin · Boeing 757231

Difficulty date: January 1, 2020
Submitted: January 3, 2020
Operation: Air carrier
Aircraft: N727TW
Make and model: Boeing 757231
Aircraft serial: 30340
Aircraft time: 69,271 hours, 17,250 cycles
System (JASC): 5730 · Wing, Plate/Skin
Part: Skin
Condition: Corroded
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 6813, L/P 1426411) CORROSION WAS FOUND IN ALL OPEN HOLES FROM 1 TO 10 AND ADDITIONALLY CRACKS WERE FOUND IN HOLES AT RH ENG DRAG FTG CLAMP-UP & DIAG BRACE. WC 5720-01100-0101B STEP 26. CORRECTIVE ACTION: CORROSION: LEVEL 2 PERMANENT REPAIR WAS PERFORMED ON RH OUTER WING / UPPER SURFACE /SKIN COMMON TO DRAG FITTING PER ER/A 584089-14AD REV. ORG.SECTION I AND ETI-57-19-181 REV. 13.