Service difficulty report · Seat Track · Boeing 74747UF

Difficulty date
April 14, 2010
Submitted
April 15, 2010
Operation
Air carrier
Aircraft
N493MC
Make and model
Boeing 74747UF
Aircraft serial
29254
Aircraft time
47,195 hours, 7,544 cycles
Part
Seat Track
Condition
Cracked
Location
Bs 1834
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

THE PURPOSE OF THIS EO IS TO DOCUMENT MAJOR REPAIRS. DURING A CHECK INSPECTION AT MIA, DAMAGE TO THE MAIN DECK-BS 1834, LBL 98.58 SEAT TRACK & BS 1834, LBL 101.33 SUPPORT BEAM WITH CRACKS/DAMAGE (REF FIG 1). DISPOSITION WAS MADE TO PERFORM A TIME LIMITED REPAIR AS DESCRIBED IN PART 1 WORK INSTRUCTIONS. SCHEDULE REPEAT INSPECTIONS AT EVERY 5 FC AND PERMANENT REPAIR PRIOR TO OR AT THE NEXT A CHECK AFTER PART 1. THIS EO IS APPROVED BY DER (DERT-710167-SW) VIA FAA 8110-3 FORM ISSUED ON 14APR10; SINCE THE DAMAGE EXCEEDS THE SRM LIMITS. EO 4453A352 DATED 14 APR 2010 WAS ISSUED TO PERFORM PERMANENT REPAIRS.

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