# SDR SWAA2021091312185

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2021
- Submitted: September 13, 2021
- Operation: Air carrier
- Aircraft: [N966WN](https://openairdocs.org/aircraft/N966WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36966
- Aircraft time: 32,714 hours, 19,999 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Shield
- Part number: 146A812712
- Part serial: BN117636
- Condition: Corroded
- Location: Aft Cargo Bay
- 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/SWAA2021091312185

## Discrepancy

ACB FWD SHIELD CORROSION. BS767+3.5; RBL22; WL151 ; / [01] REMOVED CORROSION ON ACB FWD SHIELD BS767+3.5 RBL21 WL151; L=.500 W=.500 D=.005;USED CALIBRATION TOOL ID:ATS1866 SERIAL:UNKNOWN DATE DUE:01/2022; NO ALLOWABLE LIMITS IN SRM; SHIELD IS REPAIRED BY REPLACEMENT IAW SRM 51-10-02; [02] REMOVED SHIELD AT ACB BS767+3.5 RBL22 WL151 IAW SRM 51-40-02 LOCATED; DRILLED AND COUNTERSINK NEW SHIELD P/N 146A8127U12 PO# 835530 IAW SRM 51-40-05; 51-50-08 AND DWG 146A8127; [07] VERIFIED ACTION 6; [08] TOPCOAT ENAMEL AND CIC APPLIED PER CUSTOMER CARD# TTG8Q004E21X REQUEST OK TO INSTALL.; [09] VERIFIED ENAMEL & CIC WERE APPLIED ON FAULT TTG8Q004E21X STEPS 24 & 32.<BR>OK TO INSTALL ACB FORWARD SHIELD GIVEN.; [10] INSTALLED ACB FWD SHIELD BS 767-794; RBL 22 PER SRM 51-40-02; DWG# 146A0081

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