Service difficulty report · Clamp · Boeing 757232

Difficulty date
June 19, 2022
Submitted
June 23, 2022
Operation
Air carrier
Aircraft
N6713Y
Make and model
Boeing 757232
Aircraft serial
30777
Aircraft time
69,196 hours, 25,355 cycles
Part
Clamp
Condition
Corroded
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 6713 A.D.// A.A. DAMAGES WERE FOUND ON OPEN HOLES AT LH ENG DRAG FTG CLAMP-UP AS FOLLOWS: HOLE #1 PITTING CORROSION ON SKIN AND FITTING BTW 3 AND 6 O CLOCK POSITION; HOLE #2 CORROSION ON SKIN AND FITTING AT 10 O CLOCK POSITION; HOLE #3 CORROSION ON SKIN AND FITTING BTW 4 TO 7 O CLOCK POSITION; HOLE #4 CORROSION ON SKIN AND FITTING AT 12 O CLOCK POSITION; HOLE #5 CORROSION ON SKIN AND FITTING BTW 5 AND 6 AND AT 11 O CLOCK POSITION; HOLE #6 PITTING CORROSION ON SKIN ALL AROUND AND FITTING BTW 6 AND 9 O CLOCK POSITION; HOLE #7 PITTING CORROSION ON SKIN AND FITTING ALL AROUND; HOLE #8 CORROSION ON SKIN AND FITTING BTW 1 TO 3 AND BTW 8 AND 12 O CLOCK POSITION; HOLE #9 CORROSION ON SKIN BTW 8 AND 10 AND FITTING AT 3 O CLOCK POSITION; HOLE #10 CORROSION ON SKIN AND FITTING AT 9 O CLOCK POSITION; IN REF. CARD. CORRECTIVE ACTION: SUMMARY OF NRC 00198: HOLES # 1, # 4, # 5, # 7, # 8 & # 10 WERE REPAIRED PER CARD 5720-01100-04A STEP 14 C AND HOLES #2, #3, #6 AND #9 WERE REPAIRED PER PRI 586380-14 REV 2 AND ER/A 586380-14AD REV. B. (2285048)