Service difficulty report · Attach Angle · Boeing 7377H4

Difficulty date
March 8, 2023
Submitted
April 12, 2023
Operation
Air carrier
Aircraft
N956WN
Make and model
Boeing 7377H4
Aircraft serial
36672
Aircraft time
38,869 hours, 23,696 cycles
Part
Attach Angle
Condition
Corroded
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

CORROSION ON AFT CARGO BAY FWD DOOR SHIELD TO WEB ATTACH ANGLE AT RBL 21 BS 767+6 WL 155.<[01] NO LIMITS FOR CORROSION ON SHIELD ATTACH ANGLE REPAIR BY REPLACEMENT IAW SRM CH 51-10-02.;[02] REMOVED AFT CARGO BAY FWD DOOR SHIELD ANGLE FROM WEB IAW SRM 51-40-02-0G-0.<BR>LOCATED AND DRILLED NEW ANGLE P/N 146A8125-53 IAW SRM 51-40-05-0G-0. REQ. OK TO INSTALL.;[03] REMOVED AFT CARGO BAY FWD DOOR SHIELD ANGLE FROM WEB IAW SRM 51-40-02-0G-0.<BR>LOCATED AND DRILLED NEW ANGLE P/N 146A8125-53 IAW SRM 51-40-05-0G-0 AND DWG. 146A8123. REQ. OK TO INSTALL.;[04] VERIFIED CORRECTIVE ACTION STEP 3. VERIFIED OK TO INSTALL.;[05] PARTIALLY INSTALLED AFT CARGO BAY FWD DOOR SHIELD TO WEB ATTACH ANGLE IAW SRM 51-40-02-0G-0 AND DWG. 146A8123.;[06] INSTALLED NEW AFT CARGO BAY FWD DOOR SHIELD TO WEB ATTACH ANGLE P/N 146A8125-53 IAW SRM 51-40-02-0G-0 AND DWG. 146A8123.;[07] SIGNED FOR PART;[08] VERIFIED CORRECTIVE ACTION STEPS 5 AND 6. VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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