Service difficulty report · Tie Down · Boeing 737*

Difficulty date
August 18, 2021
Submitted
September 27, 2021
Operation
Air carrier
Aircraft
N208WN
Make and model
Boeing 737*
Aircraft serial
29856
Aircraft time
52,294 hours, 30,932 cycles
Part
Tie Down
Condition
Corroded
Location
Fuselage
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 CARGO BAY RAIL BS 727B +2 LBL 3 WL 156 ; / [01] REMOVED CORROSION ON AFT CARGO BAY TRACK TIE DOWN BS 727B+10 RBL 14 WL 156. AREA DIMENSIONS D=0.013' X LENGTH= 0.8' X W=0.6'. ORIGINAL THICKNESS 0.063'. REMAINING MATERIAL 0.050'. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 PARAGRAPH 4A(2) FIGURE 103 DETAIL A; B; C; D AND E.; [02] REMOVED CORROSION ON AFT CARGO BAY RAIL BS 727B+10 RBL 14 WL 156. AREA DIMENSIONS D=0.013' X LENGTH= 0.8' X W=0.6'. ORIGINAL THICKNESS 0.063'. REMAINING MATERIAL 0.050'. FOUND TO BE OUT OF LIMITS PER SRM 53-00-53-1A-2 PARAGRAPH 4A(2) FIGURE 103 DETAIL A; B; C; D AND E. DEPTH GAUGE USED ID: ATS400.; [03] VERIFIED DAMAGE REMOVAL OUT OF LIMITS PER SRM 53-00-53-1A-2; [04] THIS REPAIR WILL BE ACCOMPLISHED ON TTG8Q0067DUR (REPLACEMENT OF RAIL/CARGO TRACK); [05] UPDATED MEASUREMENTS SECTION; [06] VERIFIED REPAIR TO BE ACCOMPLISHED ON FAULT TTG8Q0067DUR