Service difficulty report · Nut Plate · Boeing 7377H4

Difficulty date
January 24, 2024
Submitted
February 26, 2024
Operation
Air carrier
Aircraft
N459WN
Make and model
Boeing 7377H4
Aircraft serial
32497
Aircraft time
63,721 hours, 38,150 cycles
Part
Nut Plate
Part number
UNKNOWN
Condition
Corroded
Location
Bs 846 Rbl 20
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 DOOR SURROUND NUTPLATE STRIP BS 846 WL 162 RBL 20<[01] UPDATED MEASUREMENT FIELD;[02] EVALUATED CORROSION ON NUTPLATE STRIP; FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN THE SRM AND REQUIRES REPLACEMENT PER SRM 51-10-02-0G-0;[03] REMOVED AND REPLACED ACB DOOR SURROUND NUTPLATE STRIP BS846; RBL20; WL162 PER DWG 146A8340 AND SRM 51-40-02-0G-0.;[04] VERIFIED CORRECTIVE ACTIONS 2; 3; AND MEASUREMENT TABLE

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