Service difficulty report · Strap · Boeing 7377H4

Difficulty date
January 5, 2023
Submitted
February 7, 2023
Operation
Air carrier
Aircraft
N209WN
Make and model
Boeing 7377H4
Aircraft serial
32484
Aircraft time
59,684 hours, 35,490 cycles
Part
Strap
Part number
NOTREPORTED
Part serial
NOTREPORTED
Condition
Corroded
Location
Zn 900 Lav/Galle
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 AFT WET AREA TENSION STRAP BS1016 - BS1016+8 LBL 3<[01] DAMAGE FOUND ON AFT WET AREA TENSION STRAP BS 1016+8 LBL 3 FOUND TO BE OUT OF LIMIT DUE TO NO LIMIT STATEMENT ON SRM PARTS WILL BE REPAIRED BY REPLACEMENT IAW SRM 51-10-02-0G-0 PAR.9C;[02] VERIFIED CORRECTIVE ACTION #1.;[03] REMOVED TENSION STRAP FROM AFT WET AREA BS1016 LBL 3 IAW SRM 51-40-02-0G-0;[04] FABRICATED NEW AFT WET AREA TENSION STRAP BS 1016 - 1029 LBL 3 LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG # 147A5600 OK TO TREAT AND PRIME;[05] FABRICATED NEW AFT WET AREA TENSION STRAP BS 1016 - 1029 LBL 3 MATERIAL USED 7075T6 CLAD 0.071' LOT # 1497836-1 LOCATED AND DRILLED IAW SRM 51-40-05 AND DWG # 147A5600 OK TO TREAT AND PRIME;[06] VERIFIED CORRECTIVE ACTION 5. OK TO TREAT AND PRIME.;[07] APPLIED A CHEMICAL CONVERSION COATING AND PRIMER TO THE NEW TENSION STRAP IAW SRM 51-20-01 AND SOPM 20-41-02 ; OK TO INSTALL;[08] VERIFIED CORRECTIVE ACTION7 OK TO INSTALL GIVEN.;[09] INSTALLED THE NEW TENSION STRAP BS 1016 - 1029 LBL 3 WL 208 IAW SRM 51-40-02 AND DWG # 147A5600;[10] VERIFIED CORRECTIVE ACTION 9.;[11] TASK IS COMPLETE.;[12] VERIFIED MEASUREMENT TABLE AND TASK CARD COMPLETE.

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