Service difficulty report · Failsafe · Boeing 74745EF

Difficulty date
July 17, 2024
Submitted
July 18, 2024
Operation
Air carrier
Aircraft
N487MC
Make and model
Boeing 74745EF
Aircraft serial
30609
Aircraft time
96,792 hours, 17,758 cycles
Part
Failsafe
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
E
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

RIGHT BS 880 UPPER DECK FRAME FAIL SAFE CHORD 1EA FASTENER HOLE CRACKED.FAIL SAFE CHORD REPAIRED AS PER EO 4453A301 R12 PART 6 STEP 9F AND SRM 53-20-07-2R-5 REPAIR 5 FIG 201 (CAT B). NO FURTHER DEFECTS NOTED.

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