Service difficulty report · Strap · Boeing 73779P

Difficulty date
June 24, 2021
Submitted
July 27, 2021
Operation
Air carrier
Aircraft
N7820L
Make and model
Boeing 73779P
Aircraft serial
28253
Aircraft time
52,814 hours, 34,351 cycles
Part
Strap
Condition
Corroded
Location
Bs Bs 439 Rbl22
Stage of operation
IN
How discovered
V
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

FWD CARGO COMP FLOOR PANEL SUPPORT STRAP ABOVE STGR 26-R EVIDENCE OF SURFACE CORROSION AROUND FASTENER HOLE BS 439 RBL-22 . MKD 126-02 ; / [01] INSPECTED AREA; CORROSION IS IN AND AROUND THE FASTENER HOLES AREA; FOUND OUT OF LIMITS REF. B737-7 SRM 51-10-02-0G-0; & 53-30-15-1A-1; [02] INSPECTED AREA OUT OF LIMITS; [03] PARTIALLY REMOVED SUPPORT STRAP AS PER B737-700 SRM 51-40-02-0G-0.; [04] COMPLETED STRAP REMOVAL AS PER B737-700 SRM 51-40-02-0G-0.; [05] LOCATED AND DRILLED NEW STRAP AS PER B737-700 SRM 51-40-05-0G-0.; [06] VERIFIED WORK PERFORMED; [07] OK TO TREAT AND PRIME HOLES; [08] APPLIED ALODINE AND PRIMER AS PER B737-700 SRM 51-20-01-0G-0.; [09] VERIFIED WORK PERFORMED; [10] OL TO INSTALL; [11] INSTALLED STRAP AS PER B737-700 SRM 51-40-02-0G-0.; [12] REPLACED FLOOR PANEL SUPPORT STRAP AT FWD CARGO COMP ABOVE STR 26R AT BS 439 AS PER B737-700 SRM 51-40-02-0G-0.; [13] VERIFIED WORK PERFORMED

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