Service difficulty report · Strap · Boeing 7377H4

Difficulty date
July 15, 2021
Submitted
August 18, 2021
Operation
Air carrier
Aircraft
N444WN
Make and model
Boeing 7377H4
Aircraft serial
29839
Aircraft time
61,121 hours, 35,983 cycles
Part
Strap
Condition
Corroded
Location
Bs 1023 Rbl18
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 BS 1023 RBL 18 WL 208 ; / [01] REMOVED CORROSION FROM STRAP BS 1023 RBL 18 WL 208 PER SRM 51-10-02-0G-0. AMOUNT REMOVED 1'X1'X0.009'.ORIGINAL THICKNESS .071'. DUE TO NO LIMITS IN SRM; FOUND TO BE OUT OF LIMITS. STRAP WILL BE REMOVED AND REPLACED BY NEW STRAP.; [02] UPDATED MEASUREMENT TABLE; [03] VERIFIED; [04] VERIFIED EVALUATION FOUND TO BE OUT OF LIMITS PER SRM 51-10-02-0G-0.; [05] REMOVED STRAP BS 1016 - 1023 RBL 18 WL 208 AS PER SRM 51-40-02-0G-0; [06] LOCATED & DRILLED STRAP BS 1016 -1023 RBL 18 WL 208 AS PER SRM 51-40-05-0G-0 & 51-40-08-0G-0; [07] VERIFIED DRILL UP OF NEW STRAP; OK TO PROCEED; [08] INSTALLED NEW STRAP AT BS 1016-1023 RBL18 WL 208 PER SRM 51-40-02 AND DWG# 147A5730.; [09] INSTALLED NEW STRAP AT BS 1016-1023 RBL18 WL 208 PER SRM 51-40-02 AND DWG# 147A5730.; [10] VERIFIED; [11] RII INSPECTED INSTALLED NEW STRAP AT BS 1016-1023 RBL18 WL 208 PER SRM 51-40-02 AND DWG# 147A5730.

More about the Boeing 737-7H4