Service difficulty report · Skin · Boeing 757232

Difficulty date
April 21, 2021
Submitted
April 22, 2021
Operation
Air carrier
Aircraft
N672DL
Make and model
Boeing 757232
Aircraft serial
25977
Aircraft time
91,283 hours, 39,822 cycles
Part
Skin
Condition
Damaged
Location
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

SHIP 672 GVI WAS ACCOMPLISHED IN RH DRAG FITTING HOLES #1, #2,#4, #5, #6, #7, #9 & #10. AND RESULTS ARE AS FOLLOW: HOLE #1 SKIN PRESENTS CORROSION AT 12: 00, 10:00 AND 06:30 CLOCK POSITIONS, SCRATCHES AT 11:00 OCLOCK POSITION, FITTING PRESENTS CORROSION AT 12:00 OCLOCK POSITION, SCRATCHES AT 11:00 OCLOCK POSITION, AND ELONGATION BTW 04:00-09:00 CLOCK POSITIONS; HOLE #2 SKIN PRESENTS CORROSION ALL AROUND, SCRATCHES AT 03:00 AND BTW 09:00-11:00 CLOCK POSITIONS, FITTING PRESENTS CORROSION ALL AROUND, SCRATCHES BTW 09:00-02:00 CLOCK POSITIONS; HOLE #4 SKIN PRESENTS CORROSION BTW 10:00-02:00 AND BTW 03:00-05:00 CLOCK POSITIONS, SCRATCHES AT 03:00 AND BTW 09:00-11:00 CLOCK POSITIONS, FITTING PRESENTS CORROSION BTW 11:00-01:00 AND BTW 04:00-07:00 CLOCK POSITIONS, SCRATCHES BTW 01:00-03:00 CLOCK POSITIONS; HOLE #5 SKIN PRESENTS CORROSION BTW 12:00-06:00 CLOCK POSITIONS,, FITTING PRESENTS CORROSION BTW 02:00-06:00 AND AT 09:00 CLOCK POSITION; HOLE #6 SKIN & FITTING PRESENT CORROSION ALL AROUND; HOLE #7 SKIN & FITTING PRESENT CORROSION ALL AROUND; HOLE #9 SKIN PRESENTS CORROSION ALL AROUND, FITTING PRESENTS CORROSION BTW 04:00-09:00 CLOCK POSITIONS, SCRATCHES BTW 09:00-12:00 CLOCK POSITIONS; HOLE #10 SKIN PRESENTS CORROSION BTW 03:00-06:00 AND AT 08:00 CLOCK POSITIONS, FITTING PRESENTS CORROSION BTW 05:00-07:00 CLOCK POSITIONS IAW WC. CORRECTIVE ACTION: SUMMARY: IN REF. OF NRC 00339 PERMANENT REPAIR WAS PERFORMED UNDER NRC 00108 , ER/A 575649-14 REV C, ETI-57-21-142 REV 7. (1788193)