# SDR SWAA2021081895023

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 14, 2021
- Submitted: August 18, 2021
- Operation: Air carrier
- Aircraft: [N444WN](https://openairdocs.org/aircraft/N444WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29839
- Aircraft time: 61,121 hours, 35,983 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Support
- Condition: Corroded
- Location: Bs 500d
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2021081895023

## Discrepancy

FWD CARGO COMPARTMENT AFT BULKHEAD TO FLOOR SUPPORT HAS CORROSION BS 500D RBL 4 WL 156 ; / [01] UPDATED MEASUREMENTS; [02] CORROSION ON SUPPORT WAS FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS ARE GIVEN IN THE SRM; [03] UPDATED MEASUREMENTS; [04] VERIFIED UPDATED MEASUREMENTS; [05] VERIFIED OUT OF LIMITS DUE TO NO ALLOWABLE LIMITS IN THE SRM; [06] REMOVED FWD CARGO BULKHEAD SUPPORT PER SRM 51-40-02-0G-0; [07] LOCATED AND DRILLED NEW FWD CARGO BULKHEAD SUPPORT ANGLE PO# 830020/1 PER SRM 51-40-05-0G-0 AND DWG 143A9481; [08] VERIFIED LOCATED AND DRILLED NEW FWD CARGO BULKHEAD SUPPORT ANGLE PO# 830020/1 PER SRM 51-40-05-0G-0 AND DWG 143A9481; [09] VERIFIED NEW PART LOCATED AND DRILLED NEW FWD CARGO BULKHEAD SUPPORT ANGLE PO# 830020/1 PER SRM 51-40-05-0G-0 AND DWG 143A9481; [10] INSTALLED AFT BULKHEAD TO FLOOR SUPPORT AT BS 500D LBL 24-RBL 24 PER DRAWING -40-02-0G-0; [11] CORRECTION ON STEP 10 INSTALLATION ON BULKHEAD TO FLOOR SUPPORT PER SRM 51-40-02-0G-0 AND DRAWING # 134A9481 SHT 10; [12] VERIFIED ITEM 11; [13] ADDED PART USE; [14] VERIFIED JOB COMPLETED

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.