Service difficulty report · Structure · Boeing 757200

Difficulty date
May 16, 2023
Submitted
May 17, 2023
Operation
Air carrier
Aircraft
N997FD
Make and model
Boeing 757200
Aircraft serial
24738
Aircraft time
68,659 hours, 27,206 cycles
Part
Structure
Part number
144N5140
Condition
Corroded
Location
N/A
Stage of operation
UK
How discovered
V
Nature of condition
O
Precautionary procedure
O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

AREA ABOVE CTR WING CORROSION AT NUT PLATES UNDER PANEL 241MDF EVALUATED & REMOVED CORR @ LBL 58 O/B STA 903 - 930 IAW SRM 53-00-52-1A, REMAINING MATL ON FLANGE IS .071 FOUND TO BE WITHIN LIMITS IAW BAC1520-792. REMOVED CORR @ LBL 64 STA 989 ORIG MATL .070, REMAINING .025 FOUND TO BE OUT OF LIMITS IAW SRM 53-40- 13-1A FIG 101 DETAIL VII & BAC1515-551. REMOVED & REPLACED CHORD @ STA 900 - 1040 LBL 64, IAW BAC DWG 114N5152 REV -, FAB'D/LOCATED/DRILLED CHORD IAW BAC DWG 144N5140 REV A BAC DWG 114N3511 REV - SRM 51-40-05 ALODINE CHORD IAW SRM 51-20-01, PRIMED CHORD IAW SRM 51-20-01, INSTALLED CONICAL WASHERS IAW DWG 66-2955 REV Y. INSTALLED CHORD IAW SRM 51-40-02-0G BAC DWG 144N5140 REV A.

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