Service difficulty report · Strap · Boeing 7377H4

Difficulty date
June 4, 2023
Submitted
July 3, 2023
Operation
Air carrier
Aircraft
N295WN
Make and model
Boeing 7377H4
Aircraft serial
32541
Aircraft time
51,370 hours, 30,880 cycles
Part
Strap
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 STRAP AT MID CABIN BS713 RBL66 WL203.<[01] REMOVED CORROSION ON MID CABIN AT BS 713 RBL 65; WL 203; IN<BR> AN AREA OF 0.5'X1.2'AND 0.5'X1'IAW SRM 51-10-02-0G-0;[02] UPDATED STEP 1;[03] INSPECTED AND VERIFIED CORRECTIVE ACTION 1.;[04] COMPLETED STEPS 2-4.;[05] REINSPECTED BLENDED AREA IAW 737 NDTM PART 4 51-00-00 PROCEDURE 2.<BR>REMAINING MATERIAL THICKNESS IS 0.069' ADJACENT TO 0.071'. <BR>EQUIP USED: <BR>-EPOCH 650 ID: ATS2342 CAL DUE: 07/23;[06] COMPLETED MEASUREMENT TABLE. STRAP AT MID CABIN BS 713; RBL 66; WL 203 HAS NO ALLOWABLE DAMAGE ENTRY; THEREFORE; DAMAGE FOUND TO BE OUT OF LIMITS PER SRM 51-10-02-0G-0.;[07] COMPLETED STEP 1.;[08] VERIFIED CORRECTIVE ACTION 5 AND STEP 1.;[09] CORRECTIVE ACTION 8 SHOULD READ VERIFIED CORRECTIVE ACTION 6.;[10] REPAIRED DAMAGE ON STRAP AT MID CABIN BS 713; RBL 66; WL 203 PER EA 23-153-01843.;[11] VERIFIED CORRECTIVE ACTION 10 AND MEASUREMENT TABLE.

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