Service difficulty report · Failsafe · Boeing 7377H4

Difficulty date
July 11, 2024
Submitted
July 30, 2024
Operation
Air carrier
Aircraft
N478WN
Make and model
Boeing 7377H4
Aircraft serial
33989
Aircraft time
66,062 hours, 39,438 cycles
Part
Failsafe
Condition
Damaged
Location
Zone 100
Stage of operation
IN
How discovered
9
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

ELONGATED HOLE ON STRAP FAIL SAFE BS 492.20 BETWEEN S-20R S-21R (MARKED) CORRECTION SHOULD BE = ELONGATE HOLE ON STRAP FAIL SAFE BS 492.20 BETWEEN S-21R S-22R (MARKED)<[01] REPAIRED PER EA 24-153-01959 WITH AN INSPECTION THRESHOLD DEFINED IN 24-153-01959-DT;[02] VERIFIED COMPLETION CORRECTIVE ACTION 1 AND MEASUREMENT TABLE.

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