Service difficulty report · Frame · Boeing 757351

Difficulty date
January 24, 2023
Submitted
January 25, 2023
Operation
Air carrier
Aircraft
N591NW
Make and model
Boeing 757351
Aircraft serial
32991
Aircraft time
67,548 hours, 22,282 cycles
Part
Frame
Condition
Cracked
Location
Bs 1640
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

SHIP 5811 A.A. A.D. CRACKS ON BS 1640 FUSELAGE FRAME LEFT AS FOLLOW: ON UPPER OUTBOARD HOLE OF OUTER CHORD AND FRAME AT 03:00 AND 9:00 O CLOCK POSITION, ON UPPER INBOARD HOLE OF FRAME AT 03:00 AND 9: 00 O CLOCK POSITION. CONTACT LIAISON ENGINEERING FOR REPAIR INSTRUCTIONS. REPAIR MUST BE COMPLETED PRIOR TO FURTHER FLIGHT. REF WORK CARD. CORRECTIVE ACTION: SUMMARY OF NRC 00175: TEE CLIP WAS REPLACED PER PRI ER/A 605108- 14 REV 0,1,2 AND ER/A 605108-14AD REV ORIGINAL SECTION I PERMANENT REPAIR. (2598028)