Service difficulty report · Bracket · Boeing 7377H4

Difficulty date
March 15, 2023
Submitted
April 20, 2023
Operation
Air carrier
Aircraft
N435WN
Make and model
Boeing 7377H4
Aircraft serial
32455
Aircraft time
66,297 hours, 39,595 cycles
Part
Bracket
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

LEFT A/C BAY PNEUMATIC CROSS OVER DUCT MOUNTED ON KEEL BEAM CRACKED AT B.S. 546 LBL. 6'.(51-010) PNEUMATIC DUCT SUPPORT BRACKET CRACKED<[01] REMOVED AND REPLACED LEFT A/C BAY PNEUMATIC CROSS OVER DUCT SUPPORT BRACKET MOUNTED ON KEEL BEAM B.S. 546 LBL. 6' IN REF B737 SRM 51-40-02-0G-0 AND 51-40-04-OG-0<BR>USED AAR TORQUE WRENCH B/C 175056;[02] VERIFIED REPLACEMENT

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