SDR SWAA2023041416240

Service difficulty report · Strap · Boeing 7377H4

Difficulty date: March 14, 2023
Submitted: April 14, 2023
Operation: Air carrier
Aircraft: N220WN
Make and model: Boeing 7377H4
Aircraft serial: 32491
Aircraft time: 58,003 hours, 34,631 cycles
System (JASC): 2550 · Cargo Compartments
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 COMPARTMENT FLOOR SUPPORT STRAP AT STA 767+4 RBL:21; LBL:21; AND WL:150.8 CORRODED AT FASTENER HOLES (234-36) ***CORROSION*** AFT CARGO COMPARTMENT FLOOR SUPPORT STRAP AT STA 767+4 RBL:21 LBL:21 AND WL:155.5 CORRODED AT FASTENER HOLES.<[01] REMOVED CORROSION AT AFT CARGO FLOOR SUPPORT STRAP STA 767+4; FROM RBL 21 TO LBL 21; FOUND OUT OF LIMITS AS PER SRM 53-00-53-1A-2.<BR>ACCOMPLISHED INSTALLATION ON ITEM TTG8Q00JRFZM;[02] VERIFIED STEP 1.

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