Service difficulty report · Strap · Boeing 73776N

Difficulty date
July 15, 2021
Submitted
August 10, 2021
Operation
Air carrier
Aircraft
N7723E
Make and model
Boeing 73776N
Aircraft serial
32670
Aircraft time
48,099 hours, 24,239 cycles
Part
Strap
Condition
Corroded
Location
Bs 820
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 AFT CARGO BAY BS820 RBL19 WL159. ; / [01] REMOVED CORROSION ON STRAP AT AFT CARGO BAY PER REF SRM 53-60-15-1A-1 L=1 W=1; [02] VERIFIED REMOVAL OF CORROSION ON STRAP AT AFT CARGO BAY PER REF SRM 53-60-15-1A-1 L=1'; W=1'; [03] UT INSPECTED BLEND IAW 737 NDTM PART 4 51-00-00 PROCEDURE 2; LOWEST THICKNESS = 0.079'<BR>CAL ID ATS2031 E650; [04] VERIFIED LIMITS ON BLENDED AREA L=1 W=1 ORIGINAL MATERIAL THICKNESS IS .100 REMAINING THICKNESS .079 THEREFORE FOUND TO BE OUT OF LIMITS PER REF SRM 53-60-15-1A-1; [05] VERIFIED OUT OF LIMITS; [06] REPLACEMENT OF PART WILL BE ACCOMPLISHED ON CARD ID: TTG8Q005TJ0X; [07] VERIFIED ACTION 6; [08] VERIFIED ACTION 6

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