Service difficulty report · Strap · Boeing 7377H4

Difficulty date
February 9, 2023
Submitted
March 9, 2023
Operation
Air carrier
Aircraft
N218WN
Make and model
Boeing 7377H4
Aircraft serial
32489
Aircraft time
58,667 hours, 35,279 cycles
Part
Strap
Condition
Corroded
Location
Zn 100 Fus Lower
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 FLOOR SUPPORT TEE STRAP; AROUND FASTENERS STA 727D+5 BETWEEN LBL 21 AND RBL 21; WL 155.5<[01] FOUND DEEP COOROSION EXFOLIATION OUT OF LIMITS AT FLOOR SUPPORT TEE STRAP STA 727+5; BETWEEN LBL 21 AND RBL 21 AS PER REF SRM 53-00-53-1A-2;[02] CORRECTIO STEP 1. FOUND DEEP COOROSION EXFOLIATION OUT OF LIMITS AT FLOOR SUPPORT TEE STRAP STA 727D+5; BETWEEN LBL 21 AND RBL 21 AS PER REF SRM 53-00-53-1A-2;[03] VERIFIED STEP 2.;[04] REPLACED AFT CARGO FLOOR SUPPORT TEE STRAP STA 727D+5; BETWEEN LBL 21 AND RBL 21 AND WILL BE INSTALLED ON ITEM # TTG8Q004F2X3 PER REF AMM 25-52-10-400-801;[05] VERIFIED STEP 4.

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