Service difficulty report · Support · Boeing 7377BD

Difficulty date
March 15, 2023
Submitted
March 16, 2023
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
55,942 hours, 29,581 cycles
Part
Support
Condition
Cracked
Location
Zn 100 Fus Lower
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

RH FLOOR SUPPORT ABOVE AIR CONDITIONING DISTRIBUTION BAY AT STATION 540 CRACKED AT ATTACH HYLOCKS<[01] REMOVED AND REPLACED FLOOR SUPPORT AT BS 540 R/H SIDE ABOVE AIR CONDITIONING DISTRIBUTION DUCT BAY BETWEEN BL 0 AND RBL 23 PER SRM 51-40-02.

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