Service difficulty report · Shield · Boeing 7377H4

Difficulty date
July 3, 2023
Submitted
August 9, 2023
Operation
Air carrier
Aircraft
N965WN
Make and model
Boeing 7377H4
Aircraft serial
36677
Aircraft time
38,362 hours, 23,630 cycles
Part
Shield
Part number
UNKNOWN
Condition
Corroded
Location
Zn 200 Fus Top
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 SHIELD AT BS 500-500A RBL 25 WL 156<[01] ENTERED MEASUREMENTS;[02] SRM 53-00-53-1A-2 IS APPLICABLE FOR THIS DAMAGE EVALUATION.<BR>NO ALLOWABLE DAMAGE FOUND IN 737-700 SRM FOR THIS PART.<BR>REPAIR BY REPLACEMENT SRM 51-10-02-0G-0 STEP 9;[03] VERIFIED CORRECTIVE ACTION STEP 2;[04] VERIFIED MEASUREMENT TABLE;[05] DRILLED AND LOCATED AND INSTALLED A-NUTS ON REPLACEMENT PART. IAW DWG 143A0080 ID0041; SRM 51-40-05; SRM 51-40-06; SRM 51-40-08; SRM 51-40-02.;[06] REQUEST OK TO INSTALL NEW SHIELD.;[07] VERIFIED CORRECTIVE ACTION #5.<BR>VERIFIED OK TO INSTALL NEW SHIELD.;[08] INSTALLED NEW SHIELD AT FCB BETWEEN BS 492 TO 500A ;RBL 25 ; WL 156 IAW SRM 51-40-02 AND DWG:143A0080; ID: 0041 ;REV:-;[09] VERIFIED CORRECTIVE ACTION #8.

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